diff --git a/module/VuFind/Module.php b/module/VuFind/Module.php
index c5774f1b252a1a381dcc9b05882072b5347abd13..97f335a89ca0e11702dd740d4392a73a1266ae51 100644
--- a/module/VuFind/Module.php
+++ b/module/VuFind/Module.php
@@ -2,7 +2,7 @@
 /**
  * ZF2 module definition for the VuFind application
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/AbstractBase.php b/module/VuFind/src/VuFind/AjaxHandler/AbstractBase.php
index 3122fdc2f9c25210457f51562915c5806001d584..3b313059a537aa86bdf08148198acdd32c4b4176 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/AbstractBase.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserAction.php b/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserAction.php
index 9692e2964239ee45c81ecb5eaa1cf37c6716bc7c..de6787717f6ca1be90382d5ef455d7438010d430 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserAction.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserAction.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base class for handlers depending on the ILS and a logged-in user.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserActionFactory.php b/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserActionFactory.php
index aa6b52517bd9f5dce9b1c8ea6b3ed00e9dc8e612..15fe7d0cb361c9bf64fd0bee8d932ffa69a32a9b 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserActionFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/AbstractIlsAndUserActionFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for AbstractIlsAndUserAction AJAX handlers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/AjaxHandlerInterface.php b/module/VuFind/src/VuFind/AjaxHandler/AjaxHandlerInterface.php
index 70eff2f6e8e17a610e351db8d3132240c09c38a1..b27e5d2940e0ddf02fc536e87a90a52d534b6b07 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/AjaxHandlerInterface.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/AjaxHandlerInterface.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/CheckRequestIsValid.php b/module/VuFind/src/VuFind/AjaxHandler/CheckRequestIsValid.php
index 88fdc30634f72a39ed14bf2965db745a2860fd7c..c3a9c19de35705084b02d00b714ff605876da88b 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/CheckRequestIsValid.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/CheckRequestIsValid.php
@@ -2,7 +2,7 @@
 /**
  * "Check Request is Valid" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/CommentRecord.php b/module/VuFind/src/VuFind/AjaxHandler/CommentRecord.php
index 496cf84c74ac1b765f06cd36955bec5197a187d5..d7e00bd8fef769c986c6b201ff1bc9db341fd2c5 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/CommentRecord.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/CommentRecord.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler to comment on a record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/CommentRecordFactory.php b/module/VuFind/src/VuFind/AjaxHandler/CommentRecordFactory.php
index 35a9ff1cec087c12efc368596c06b5c3f7fbc285..2e9e9b1d1c20e5346d6750e92beede1eef7c9cab 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/CommentRecordFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/CommentRecordFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for CommentRecord AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordComment.php b/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordComment.php
index 327d8cd8b3fc6795c212c9dc99b65d96975edd9a..87edced8b10be1b7377c5a0b90453867b0e2ef8f 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordComment.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordComment.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler to delete a comment on a record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordCommentFactory.php b/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordCommentFactory.php
index 33432dcc72e33d5c58aa3ebcd39497e9a4059d6b..95cadcf5e32cbfa44a0344a1013ebb39ce801289 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordCommentFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/DeleteRecordCommentFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for DeleteRecordComment AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestions.php b/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestions.php
index e2b82a834e4b2f5385687889864ba9319d2d6103..e9ab3ef85e1b53bd4b6616d22e2d28d424768e10 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestions.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestions.php
@@ -2,7 +2,7 @@
 /**
  * "Get Autocomplete Suggestions" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestionsFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestionsFactory.php
index 5a5889631ae7a55b00e20f3d8e1b2c37042a86ec..d00b91d9a7b3959a7f3631910720e2792b36e77e 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestionsFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetACSuggestionsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetACSuggestions AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetFacetData.php b/module/VuFind/src/VuFind/AjaxHandler/GetFacetData.php
index 3131a456321b11c6be9d1a46033cd4986ec8ba21..2e1edc20ede34bcf3d48388242920eb6f7d635c7 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetFacetData.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetFacetData.php
@@ -2,7 +2,7 @@
 /**
  * "Get Facet Data" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetFacetDataFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetFacetDataFactory.php
index d8096535fc7c870e01c09ab250c55ca2486749eb..e38fca2b038ae0f9212b840696be528bbb4bd8af 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetFacetDataFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetFacetDataFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetFacetData AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatus.php b/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatus.php
index b9d3c8c1b4e561f0979ad63bc7d37c9d7e16eb3a..973303ff78e1501b690a468d3ee7c64705d98eed 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatus.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatus.php
@@ -2,7 +2,7 @@
 /**
  * "Get ILS Status" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatusFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatusFactory.php
index 3481046ce7d0a5b686982078be7745a0f1194497..75547b84c562eba219287f566379d536f48fb53e 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatusFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetIlsStatusFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetIlsStatus AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetItemStatuses.php b/module/VuFind/src/VuFind/AjaxHandler/GetItemStatuses.php
index 4c74903066e7fe0e029e56f23284d7ea642db233..b2beee5b87336a79e7c52a9a26cee4501bb1ab67 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetItemStatuses.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetItemStatuses.php
@@ -2,7 +2,7 @@
 /**
  * "Get Item Status" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetItemStatusesFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetItemStatusesFactory.php
index c0608b72dd34cb1eb2888ae8eefbf3d5b1b735d3..f0f50fc838b7a1a171b95f6e943ce7c6613580e4 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetItemStatusesFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetItemStatusesFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetItemStatus AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetLibraryPickupLocations.php b/module/VuFind/src/VuFind/AjaxHandler/GetLibraryPickupLocations.php
index eb71b1f5f63773499814f7077e883280c39e2bd9..6776cf54c00df7300b24bf21ef5d5949c2e8027f 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetLibraryPickupLocations.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetLibraryPickupLocations.php
@@ -2,7 +2,7 @@
 /**
  * "Get Library Pickup Locations" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTML.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTML.php
index 0241796f7983f4c6f252391fe2a9f1ba233b686e..1154f8f4439b1cbba309a6563b529de32c79e36a 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTML.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTML.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler to get list of comments for a record as HTML.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTMLFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTMLFactory.php
index 22ac0945b305038ed6abe57fccc3573638c1e56f..aa5cad433b08f412c4b37497048db073ae0bbbdb 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTMLFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordCommentsAsHTMLFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetRecordCommentsAsHTML AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetails.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetails.php
index 6c2d975bee05d40fb8254c861c0310e458087a85..0f0db6dcf59ae4e955559b7be7ff37085eb33b86 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetails.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetails.php
@@ -2,7 +2,7 @@
 /**
  * "Get Record Details" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetailsFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetailsFactory.php
index 7eda291fa3feb589ee1ea1f4d0d0dc6811184ae5..1174242c9abbdf59abc6b1dc775f558e02973b0c 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetailsFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordDetailsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetRecordDetails AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordTags.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordTags.php
index db774f93dfcc29fbf0669b2dd35e839582d239ac..97e9be3a9bdd466f0c881d65981fc0362435fdfb 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordTags.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordTags.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler to get all tags for a record as HTML.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRecordTagsFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetRecordTagsFactory.php
index 4e751054acf9aebb2313ac13f80d6da47a465a0a..8e4d746e203502885bf69a6fd3a535267dd4829f 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRecordTagsFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRecordTagsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetRecordTags AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetRequestGroupPickupLocations.php b/module/VuFind/src/VuFind/AjaxHandler/GetRequestGroupPickupLocations.php
index 117baafeb57db92a2da5e095a901e3980e5d960c..a73749b06da0e3e1102f0a1362e4b198228cfafa 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetRequestGroupPickupLocations.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetRequestGroupPickupLocations.php
@@ -2,7 +2,7 @@
 /**
  * "Get Request Group Pickup Locations" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinks.php b/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinks.php
index b172940b7d3fc93116093ea366b2fcada4cde4af..9f4a60f23452fa673ba88121329949e9c4ce3981 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinks.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinks.php
@@ -2,7 +2,7 @@
 /**
  * "Get Resolver Links" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinksFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinksFactory.php
index 4aed4717d5d844967cb4053ee74aa55569cc72a0..fc5072f68e45262a04ebb25fdf805b69a37010cf 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinksFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetResolverLinksFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetResolverLinks AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatuses.php b/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatuses.php
index b223fefc561070ae2a20f84443dfad9acd9e7777..4a10ed6479d868c5232009dc04408dfa0328024a 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatuses.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatuses.php
@@ -2,7 +2,7 @@
 /**
  * "Get Save Statuses" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatusesFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatusesFactory.php
index 9d966a549f28aa44b63cb1a3ae232341e76b0ab6..7429b2565081b68238d0719c9778f7cc713fc837 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatusesFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetSaveStatusesFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetSaveStatuses AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetVisData.php b/module/VuFind/src/VuFind/AjaxHandler/GetVisData.php
index 8c31a27b1e9e1e7b34eb72fe3fcd20c169561e00..17fa1da34fe05aed157678ada591adcc5a64ae3b 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetVisData.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetVisData.php
@@ -2,7 +2,7 @@
 /**
  * "Get Visualization Data" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/GetVisDataFactory.php b/module/VuFind/src/VuFind/AjaxHandler/GetVisDataFactory.php
index e05b92167b2c4734d77afd114739b139ded07dbc..8835cf458ab893213a26d3152a19c0bb156dd8d4 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/GetVisDataFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/GetVisDataFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for GetVisData AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/KeepAlive.php b/module/VuFind/src/VuFind/AjaxHandler/KeepAlive.php
index d7fe8f4c85213b81a4f71d4c33eb23ea9f609242..a18769ff0ec9e0c6981d50aca9450c989eaef32a 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/KeepAlive.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/KeepAlive.php
@@ -2,7 +2,7 @@
 /**
  * "Keep Alive" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/KeepAliveFactory.php b/module/VuFind/src/VuFind/AjaxHandler/KeepAliveFactory.php
index 88f7391db5029886ad46e9e4d678576ad2b9731b..e229b158bfe8bb126896286864ba93ce2c131f16 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/KeepAliveFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/KeepAliveFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for KeepAlive AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/PluginManager.php b/module/VuFind/src/VuFind/AjaxHandler/PluginManager.php
index b78caad5750af768df8e03c28986dfac7e0152d0..05faeba6c7b6fb70c7f664260a4ea9bac363a22a 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/PluginManager.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/Recommend.php b/module/VuFind/src/VuFind/AjaxHandler/Recommend.php
index 1608ac6fc2c5abe5a6294c856c90a6c4599eeb74..e7d50b11e8218d8576c705c0808bca8a65a21aa8 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/Recommend.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/Recommend.php
@@ -2,7 +2,7 @@
 /**
  * Load a recommendation module via AJAX.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/RecommendFactory.php b/module/VuFind/src/VuFind/AjaxHandler/RecommendFactory.php
index 87c525189a6ae7de1ea8183689ff959a46fdeb9a..b445a47cee8434a767042663f793a9f97a837118 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/RecommendFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/RecommendFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Recommend AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/SystemStatus.php b/module/VuFind/src/VuFind/AjaxHandler/SystemStatus.php
index 46a1cc387e6ca2e58de1fde145709897bbcb94c7..f8be40d76dca231eff86f1dd148d345245600ce9 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/SystemStatus.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/SystemStatus.php
@@ -2,7 +2,7 @@
 /**
  * "Keep Alive" AJAX handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/SystemStatusFactory.php b/module/VuFind/src/VuFind/AjaxHandler/SystemStatusFactory.php
index 0261892d5c2d9fb9d62a4747dae2d838538c5744..d8f08e00f3155ab6880ed948dc7aed3c9bf281fe 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/SystemStatusFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/SystemStatusFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for SystemStatus AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/TagRecord.php b/module/VuFind/src/VuFind/AjaxHandler/TagRecord.php
index 6511e6c1472df8e98f58877fd53b4bbf0380e783..df3caa200a27ab15a4f555f3fcfd3b2a30f5fbe3 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/TagRecord.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/TagRecord.php
@@ -2,7 +2,7 @@
 /**
  * AJAX handler to tag/untag a record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/AjaxHandler/TagRecordFactory.php b/module/VuFind/src/VuFind/AjaxHandler/TagRecordFactory.php
index 3a11f517018034d939771e9e33fb3d63e1709315..97a1e947396bf39d7ad532ed490a56cf2a699d9a 100644
--- a/module/VuFind/src/VuFind/AjaxHandler/TagRecordFactory.php
+++ b/module/VuFind/src/VuFind/AjaxHandler/TagRecordFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for TagRecord AJAX handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Auth/AbstractBase.php b/module/VuFind/src/VuFind/Auth/AbstractBase.php
index 05a81a5de95c6b838ffcdb8297cf9333fe3b0bda..b4eb40ab255afc8abf5342de15bd3e69c1136f71 100644
--- a/module/VuFind/src/VuFind/Auth/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Auth/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Abstract authentication base class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/CAS.php b/module/VuFind/src/VuFind/Auth/CAS.php
index 0182afa9ef3e193ec820ee0b32ebef8f67dca0c4..7194eab6a1b2dd0ffb4f47643b356f36f0a1a08b 100644
--- a/module/VuFind/src/VuFind/Auth/CAS.php
+++ b/module/VuFind/src/VuFind/Auth/CAS.php
@@ -2,7 +2,7 @@
 /**
  * CAS authentication module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/ChoiceAuth.php b/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
index bd1bca5f015f7f7e8a919bb3766c750d5000c8f8..f7aa7521e775453c8b8eb2574863a3bffc865274 100644
--- a/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
+++ b/module/VuFind/src/VuFind/Auth/ChoiceAuth.php
@@ -2,7 +2,7 @@
 /**
  * MultiAuth Authentication plugin
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/Database.php b/module/VuFind/src/VuFind/Auth/Database.php
index bec7167512bee814671421cb68a7f6c92964b5d9..f72a0cb3973c7a71945a6cdfa1aba43cdd3291f0 100644
--- a/module/VuFind/src/VuFind/Auth/Database.php
+++ b/module/VuFind/src/VuFind/Auth/Database.php
@@ -2,7 +2,7 @@
 /**
  * Database authentication class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/Facebook.php b/module/VuFind/src/VuFind/Auth/Facebook.php
index b2b257f7cc6a403a3709da88523378039c7dcb77..2ca46ee2410629d553ef70b464900018d3596e7e 100644
--- a/module/VuFind/src/VuFind/Auth/Facebook.php
+++ b/module/VuFind/src/VuFind/Auth/Facebook.php
@@ -2,7 +2,7 @@
 /**
  * Facebook authentication module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/Factory.php b/module/VuFind/src/VuFind/Auth/Factory.php
index 110b668501db4ef3d969c808f470e7f1aec74689..8cb3f837239938131da24dfe6632a781c47193db 100644
--- a/module/VuFind/src/VuFind/Auth/Factory.php
+++ b/module/VuFind/src/VuFind/Auth/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for authentication services.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Auth/ILS.php b/module/VuFind/src/VuFind/Auth/ILS.php
index d9f5354e945dc552eed40fe35b5c8e6a25d08b4e..c39b3aeb6624b5a4a00ac7452e3a4fca14341a61 100644
--- a/module/VuFind/src/VuFind/Auth/ILS.php
+++ b/module/VuFind/src/VuFind/Auth/ILS.php
@@ -2,7 +2,7 @@
 /**
  * ILS authentication module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/ILSAuthenticator.php b/module/VuFind/src/VuFind/Auth/ILSAuthenticator.php
index 5c7fd6e2df8b565f3c7a3599b18a45c5049b9fe5..60473282fd58789a1065214ebc5cbd761f341815 100644
--- a/module/VuFind/src/VuFind/Auth/ILSAuthenticator.php
+++ b/module/VuFind/src/VuFind/Auth/ILSAuthenticator.php
@@ -2,7 +2,7 @@
 /**
  * Class for managing ILS-specific authentication.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Auth/ILSAuthenticatorFactory.php b/module/VuFind/src/VuFind/Auth/ILSAuthenticatorFactory.php
index 07b2289e22dc8c9436a9db52bf52dc69ad392c23..e5a40c00ba5c37c5ab97210eb5b1a132ab035bb9 100644
--- a/module/VuFind/src/VuFind/Auth/ILSAuthenticatorFactory.php
+++ b/module/VuFind/src/VuFind/Auth/ILSAuthenticatorFactory.php
@@ -2,7 +2,7 @@
 /**
  * ILS Authenticator factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Auth/InvalidArgumentException.php b/module/VuFind/src/VuFind/Auth/InvalidArgumentException.php
index 7f72239bdc2869a2a4ba58256c64151b4d462bfa..814a17d60f8b98c7dab8714382a0a5ee5de9c950 100644
--- a/module/VuFind/src/VuFind/Auth/InvalidArgumentException.php
+++ b/module/VuFind/src/VuFind/Auth/InvalidArgumentException.php
@@ -2,7 +2,7 @@
 /**
  * Invalid Authentication Argument Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Auth/LDAP.php b/module/VuFind/src/VuFind/Auth/LDAP.php
index 81a96c9dad936055a16095bd61135c0076b30a11..5927eb61b37e0d2435719e159f5befa771951bc9 100644
--- a/module/VuFind/src/VuFind/Auth/LDAP.php
+++ b/module/VuFind/src/VuFind/Auth/LDAP.php
@@ -2,7 +2,7 @@
 /**
  * LDAP authentication class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/Manager.php b/module/VuFind/src/VuFind/Auth/Manager.php
index b1dccf40a0c3eff381adcb2a36eeb0f39e5b7c9c..396d27cc1a5e24b5b9a528357e13cd44b2bee26d 100644
--- a/module/VuFind/src/VuFind/Auth/Manager.php
+++ b/module/VuFind/src/VuFind/Auth/Manager.php
@@ -2,7 +2,7 @@
 /**
  * Wrapper class for handling logged-in user in session.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Auth/ManagerFactory.php b/module/VuFind/src/VuFind/Auth/ManagerFactory.php
index 10bff3e472655b0dadb6880a6130c974ce828b91..771b698bdb08e75c39e0395a1a7432117f9e3454 100644
--- a/module/VuFind/src/VuFind/Auth/ManagerFactory.php
+++ b/module/VuFind/src/VuFind/Auth/ManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Authentication Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Auth/MultiAuth.php b/module/VuFind/src/VuFind/Auth/MultiAuth.php
index 3f1ddfd7343a35e8cccdccbf41a613de10d13a7a..3d4eb19cc4cd0892d3dcaa662e4bd53f6ba79044 100644
--- a/module/VuFind/src/VuFind/Auth/MultiAuth.php
+++ b/module/VuFind/src/VuFind/Auth/MultiAuth.php
@@ -2,7 +2,7 @@
 /**
  * MultiAuth Authentication plugin
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/MultiILS.php b/module/VuFind/src/VuFind/Auth/MultiILS.php
index b4bf284db6be16aec02a29e13d686338916b8378..e4cd1822bfc4937051f5062311ccdbbec27d02ca 100644
--- a/module/VuFind/src/VuFind/Auth/MultiILS.php
+++ b/module/VuFind/src/VuFind/Auth/MultiILS.php
@@ -2,7 +2,7 @@
 /**
  * Multiple ILS authentication module that works with MultiBackend driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2013.
diff --git a/module/VuFind/src/VuFind/Auth/PluginFactory.php b/module/VuFind/src/VuFind/Auth/PluginFactory.php
index 602c66e8c9b6d642d577d2f7da395d9241a46392..15513c98374a35f7c6efd5250b6c3a9bd84a05b9 100644
--- a/module/VuFind/src/VuFind/Auth/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Auth/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Auth handler plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/PluginManager.php b/module/VuFind/src/VuFind/Auth/PluginManager.php
index e289873ecb6102fe4e42fe146d6f9ca0c0cf5543..878e214c8f9a38fe1790962d1d86bfd858d7e5f2 100644
--- a/module/VuFind/src/VuFind/Auth/PluginManager.php
+++ b/module/VuFind/src/VuFind/Auth/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Auth handler plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/SIP2.php b/module/VuFind/src/VuFind/Auth/SIP2.php
index e1beb826f028fb8670e4d8e00abffc1dc66f4a1d..ec6fd0b6bfcffb809c557b4713607304723fe2ee 100644
--- a/module/VuFind/src/VuFind/Auth/SIP2.php
+++ b/module/VuFind/src/VuFind/Auth/SIP2.php
@@ -2,7 +2,7 @@
 /**
  * SIP2 authentication module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Auth/Shibboleth.php b/module/VuFind/src/VuFind/Auth/Shibboleth.php
index b649a7bb9165f14ba1829d465d9617027e26ca6b..2e490709de48d59fe127d9b6a25e226ebed556a2 100644
--- a/module/VuFind/src/VuFind/Auth/Shibboleth.php
+++ b/module/VuFind/src/VuFind/Auth/Shibboleth.php
@@ -2,7 +2,7 @@
 /**
  * Shibboleth authentication module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Autocomplete/AutocompleteInterface.php b/module/VuFind/src/VuFind/Autocomplete/AutocompleteInterface.php
index 247a2108bc3bd273d17753440f5201650c7af3ed..4e2a84044c490bde9d4539cb454461ad646b305f 100644
--- a/module/VuFind/src/VuFind/Autocomplete/AutocompleteInterface.php
+++ b/module/VuFind/src/VuFind/Autocomplete/AutocompleteInterface.php
@@ -2,7 +2,7 @@
 /**
  * Autocomplete Plug-In Interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/None.php b/module/VuFind/src/VuFind/Autocomplete/None.php
index 1be913e29597b591cb147f82be820b5905db7dc0..aaecff85528b8646c0074503daf06747489e1523 100644
--- a/module/VuFind/src/VuFind/Autocomplete/None.php
+++ b/module/VuFind/src/VuFind/Autocomplete/None.php
@@ -2,7 +2,7 @@
 /**
  * No Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/OCLCIdentities.php b/module/VuFind/src/VuFind/Autocomplete/OCLCIdentities.php
index 36a8c5ee5e14685f5dd437ced52a192a6b8077de..9cb6364d5fe37c8dbda94cabd0d0f73ecbc28b35 100644
--- a/module/VuFind/src/VuFind/Autocomplete/OCLCIdentities.php
+++ b/module/VuFind/src/VuFind/Autocomplete/OCLCIdentities.php
@@ -2,7 +2,7 @@
 /**
  * OCLC Identities Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/PluginFactory.php b/module/VuFind/src/VuFind/Autocomplete/PluginFactory.php
index 1c0a1c5a030f0a4b33bb82d2b612d1cda2b54679..d01d450129be8b6d59f5d2d04769577025c0c1b2 100644
--- a/module/VuFind/src/VuFind/Autocomplete/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Autocomplete/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Autocomplete handler plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/PluginManager.php b/module/VuFind/src/VuFind/Autocomplete/PluginManager.php
index ba2ac269e74279522134d616d3195e605fc45d11..27b740d9d6ff857e1180de02f0523d22820bc351 100644
--- a/module/VuFind/src/VuFind/Autocomplete/PluginManager.php
+++ b/module/VuFind/src/VuFind/Autocomplete/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Autocomplete handler plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/Solr.php b/module/VuFind/src/VuFind/Autocomplete/Solr.php
index 402fde785dd431c009ce57813cd3e20eb1b30f7d..577047797f8adcfc7cb3de60df04b392e3b46a12 100644
--- a/module/VuFind/src/VuFind/Autocomplete/Solr.php
+++ b/module/VuFind/src/VuFind/Autocomplete/Solr.php
@@ -2,7 +2,7 @@
 /**
  * Solr Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/SolrAuth.php b/module/VuFind/src/VuFind/Autocomplete/SolrAuth.php
index 9d7e86a1be1d2b58cd420c66fa4aa7e3ec7f9eb6..ee09e689ba2a3733e39ad87117bfc137fe9ba89b 100644
--- a/module/VuFind/src/VuFind/Autocomplete/SolrAuth.php
+++ b/module/VuFind/src/VuFind/Autocomplete/SolrAuth.php
@@ -2,7 +2,7 @@
 /**
  * Solr Authority Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/SolrCN.php b/module/VuFind/src/VuFind/Autocomplete/SolrCN.php
index 580337dc83e026d008290e41ea0f197c4b02be1d..1fcb1ea3a812ec3767c748975a37d4dbe40187ba 100644
--- a/module/VuFind/src/VuFind/Autocomplete/SolrCN.php
+++ b/module/VuFind/src/VuFind/Autocomplete/SolrCN.php
@@ -2,7 +2,7 @@
 /**
  * Solr Call Number Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/SolrFactory.php b/module/VuFind/src/VuFind/Autocomplete/SolrFactory.php
index 81b94e48b5b354de31981b15bdb0c0f3890096c1..cb6d44c1b762d45ca788cde06b8d7a2d9f58e677 100644
--- a/module/VuFind/src/VuFind/Autocomplete/SolrFactory.php
+++ b/module/VuFind/src/VuFind/Autocomplete/SolrFactory.php
@@ -3,7 +3,7 @@
  * Factory for Solr-driven autocomplete plugins. Works for \VuFind\Autocomplete\Solr
  * and all of its subclasses.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/SolrReserves.php b/module/VuFind/src/VuFind/Autocomplete/SolrReserves.php
index b047c11b2d33fc0e232ecc6fb64bdc896d933dd2..863d5c49a8868a2733f9878d17eedf2d13e41b69 100644
--- a/module/VuFind/src/VuFind/Autocomplete/SolrReserves.php
+++ b/module/VuFind/src/VuFind/Autocomplete/SolrReserves.php
@@ -2,7 +2,7 @@
 /**
  * Solr Reserves Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/Suggester.php b/module/VuFind/src/VuFind/Autocomplete/Suggester.php
index bf2a9f78c00725e211e5044f1a9800b29c79fe2b..cb3c482d0d4c85a58990e97636bbabea917b1be4 100644
--- a/module/VuFind/src/VuFind/Autocomplete/Suggester.php
+++ b/module/VuFind/src/VuFind/Autocomplete/Suggester.php
@@ -2,7 +2,7 @@
 /**
  * Autocomplete handler plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/SuggesterFactory.php b/module/VuFind/src/VuFind/Autocomplete/SuggesterFactory.php
index bd27a535da8e8bac4c4f24e8a6e33829fe5b732a..98e85ed0c852d97a3b07c998d2cc4b30f901e88f 100644
--- a/module/VuFind/src/VuFind/Autocomplete/SuggesterFactory.php
+++ b/module/VuFind/src/VuFind/Autocomplete/SuggesterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for autocomplete suggester.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Autocomplete/Tag.php b/module/VuFind/src/VuFind/Autocomplete/Tag.php
index fde1921715b5f02f907cb0de1e9194f8b5c95091..2f96e4103ad81a05b94840599716a52c9cf31f5f 100644
--- a/module/VuFind/src/VuFind/Autocomplete/Tag.php
+++ b/module/VuFind/src/VuFind/Autocomplete/Tag.php
@@ -2,7 +2,7 @@
 /**
  * Tag Autocomplete Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Bootstrapper.php b/module/VuFind/src/VuFind/Bootstrapper.php
index 7903784a8d1a5fb5da225d6a696c0c729725e087..32b15d513ffaedd5aca8b675a4d8cc4ef30ad124 100644
--- a/module/VuFind/src/VuFind/Bootstrapper.php
+++ b/module/VuFind/src/VuFind/Bootstrapper.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Bootstrapper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Cache/KeyGeneratorTrait.php b/module/VuFind/src/VuFind/Cache/KeyGeneratorTrait.php
index 490c886e16aa0ccbd8d804e7e7c22f739d3f0621..14c070b3a038eb66463a6c26aef5629d17bbda41 100644
--- a/module/VuFind/src/VuFind/Cache/KeyGeneratorTrait.php
+++ b/module/VuFind/src/VuFind/Cache/KeyGeneratorTrait.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Cache Key Generator Trait
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Leipzig University Library 2016.
  *
diff --git a/module/VuFind/src/VuFind/Cache/Manager.php b/module/VuFind/src/VuFind/Cache/Manager.php
index 1d95217f71b99d2d60e3bf12e9ec151fa917fa15..6246b2ae044ee59bd8ebec36e9c306698d6e1ba8 100644
--- a/module/VuFind/src/VuFind/Cache/Manager.php
+++ b/module/VuFind/src/VuFind/Cache/Manager.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Cache Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Cache/ManagerFactory.php b/module/VuFind/src/VuFind/Cache/ManagerFactory.php
index 6b5101c28c007507439bcfb3ade83d5328d471c6..317ca426c20bbdfeb3105e6ecdc524b136694010 100644
--- a/module/VuFind/src/VuFind/Cache/ManagerFactory.php
+++ b/module/VuFind/src/VuFind/Cache/ManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Cache Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Cache/Storage/Adapter/NoCacheAdapter.php b/module/VuFind/src/VuFind/Cache/Storage/Adapter/NoCacheAdapter.php
index 5c7ea1245b47693ed2985862c4bfc1520c39d4a6..ab5143e696136192884b5df34a18cd3ef746d213 100644
--- a/module/VuFind/src/VuFind/Cache/Storage/Adapter/NoCacheAdapter.php
+++ b/module/VuFind/src/VuFind/Cache/Storage/Adapter/NoCacheAdapter.php
@@ -3,7 +3,7 @@
 /**
  * VuFind NoCacheAdapter.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Cart.php b/module/VuFind/src/VuFind/Cart.php
index a47f673827bef3d20b337372434b9f9556cdaf2d..1fed7c18ffb7cf84e4f54a7afc6d39e1b3d13f79 100644
--- a/module/VuFind/src/VuFind/Cart.php
+++ b/module/VuFind/src/VuFind/Cart.php
@@ -2,7 +2,7 @@
 /**
  * Cart Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/CartFactory.php b/module/VuFind/src/VuFind/CartFactory.php
index 4b975b85ec6e5cd52eb7384ccd0c3bc87c703556..a4c76e307ae4ab33a108e35b34395f828295e311 100644
--- a/module/VuFind/src/VuFind/CartFactory.php
+++ b/module/VuFind/src/VuFind/CartFactory.php
@@ -2,7 +2,7 @@
 /**
  * Cart factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/AbstractChannelProvider.php b/module/VuFind/src/VuFind/ChannelProvider/AbstractChannelProvider.php
index 97d17f26a6297e3c0eed4229da42178e579f583c..845272c5ae3c3c4af90b4facf807931f7cb98940 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/AbstractChannelProvider.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/AbstractChannelProvider.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base class for channel providers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/AlphaBrowse.php b/module/VuFind/src/VuFind/ChannelProvider/AlphaBrowse.php
index 71f0045ae5c0f2303fd74769726e31f0fa8fe891..0527d8d6bd1d2e4f7b3c6d031708ceeb9a257f0d 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/AlphaBrowse.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/AlphaBrowse.php
@@ -2,7 +2,7 @@
 /**
  * Alphabrowse channel provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/ChannelProviderInterface.php b/module/VuFind/src/VuFind/ChannelProvider/ChannelProviderInterface.php
index 1ecc4a931f0864992ed8fc2074cc9407d8ec9ac5..78f6aec11d3345c7b547a553334b75fa65223dbb 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/ChannelProviderInterface.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/ChannelProviderInterface.php
@@ -2,7 +2,7 @@
 /**
  * Channel provider interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/Facets.php b/module/VuFind/src/VuFind/ChannelProvider/Facets.php
index 8d27fe07f74d1b468575c3d7e6f8e72135c897a2..30301132877b5a3340c6ac130e417a88937809dd 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/Facets.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/Facets.php
@@ -2,7 +2,7 @@
 /**
  * Facet-driven channel provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/Factory.php b/module/VuFind/src/VuFind/ChannelProvider/Factory.php
index 03f4e083265e1bbee0134ff45bae2dfbab7798cc..2007aac17508bc20ebb668d064572b188768e2d6 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/Factory.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for ChannelProvider plugins.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/ListItems.php b/module/VuFind/src/VuFind/ChannelProvider/ListItems.php
index 91abf6b323635e29ed5812e87ba7c75409334e69..9b0c21ca44ed4ec3ab438142e202329ebaa780a2 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/ListItems.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/ListItems.php
@@ -2,7 +2,7 @@
 /**
  * "List items" channel provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/PluginFactory.php b/module/VuFind/src/VuFind/ChannelProvider/PluginFactory.php
index 0c684bcb42ce2a170be1d99bc41df2b2144e79da..5ba5cdf97c4de0923fc02da6120d535f24294449 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/PluginFactory.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Channel provider plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/PluginManager.php b/module/VuFind/src/VuFind/ChannelProvider/PluginManager.php
index 1f757af0710cf64a272ca56060802321a908d2e4..043e0efbe7fdebb7fe1c7748decc162973f5c89a 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/PluginManager.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Channel provider plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/Random.php b/module/VuFind/src/VuFind/ChannelProvider/Random.php
index 587b4ae2e62ee04c84fe8715081ce281a18acb1b..3d3552d0890cb2f83c851c4f92f2cd47b292385f 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/Random.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/Random.php
@@ -2,7 +2,7 @@
 /**
  * "Random items" channel provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php b/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
index 24e37e9d734994aec71683c31a9acfdf0d585577..62b60f5f2d06f19312dcab40e75682b6b79d8beb 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
@@ -2,7 +2,7 @@
 /**
  * "Similar items" channel provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Config/AccountCapabilities.php b/module/VuFind/src/VuFind/Config/AccountCapabilities.php
index 8b1201169653542bab41504149d837590df8dd02..f1b066d4fc49d7c0671736ce3840deac721f859c 100644
--- a/module/VuFind/src/VuFind/Config/AccountCapabilities.php
+++ b/module/VuFind/src/VuFind/Config/AccountCapabilities.php
@@ -3,7 +3,7 @@
  * Class to determine which account capabilities are available, based on
  * configuration and other factors.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Config/AccountCapabilitiesFactory.php b/module/VuFind/src/VuFind/Config/AccountCapabilitiesFactory.php
index 976d9b71e6e5447a0dadf85f68d6e6b25eec305a..85c82ba345e39a3841ffade4d7483cca822c6583 100644
--- a/module/VuFind/src/VuFind/Config/AccountCapabilitiesFactory.php
+++ b/module/VuFind/src/VuFind/Config/AccountCapabilitiesFactory.php
@@ -2,7 +2,7 @@
 /**
  * Account capabilities factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Config/Locator.php b/module/VuFind/src/VuFind/Config/Locator.php
index 70ef31660482daa9bb9af486a93160f6f307e37e..b6eb3f6a1c02708d03b32ce329ced03331c08917 100644
--- a/module/VuFind/src/VuFind/Config/Locator.php
+++ b/module/VuFind/src/VuFind/Config/Locator.php
@@ -2,7 +2,7 @@
 /**
  * VF Configuration Locator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/PluginFactory.php b/module/VuFind/src/VuFind/Config/PluginFactory.php
index fd2dd8c4032f2946c2d45e058f173cb3f50d56c8..347173e5f7d1842f0149f7fbaece54d3de0a83c1 100644
--- a/module/VuFind/src/VuFind/Config/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Config/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Config Plugin Factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/PluginManager.php b/module/VuFind/src/VuFind/Config/PluginManager.php
index ec5373d666dcf91bed458f3cfea81e186bcb36cc..e91f268a4813022ddf055732917b1c3f283548b9 100644
--- a/module/VuFind/src/VuFind/Config/PluginManager.php
+++ b/module/VuFind/src/VuFind/Config/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Config Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/PluginManagerFactory.php b/module/VuFind/src/VuFind/Config/PluginManagerFactory.php
index 726ad644d17bdbcff2959b64f9c8dd18ead12dd0..8f7bb858017a248ca1a8d5ebf8ea740a9fb87ef1 100644
--- a/module/VuFind/src/VuFind/Config/PluginManagerFactory.php
+++ b/module/VuFind/src/VuFind/Config/PluginManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Config/Reader/CacheDecorator.php b/module/VuFind/src/VuFind/Config/Reader/CacheDecorator.php
index d27014938367da7bf480089ce2c4f50809597c34..943e819a50b7188ad5f626cd0dce77bc97f68830 100644
--- a/module/VuFind/src/VuFind/Config/Reader/CacheDecorator.php
+++ b/module/VuFind/src/VuFind/Config/Reader/CacheDecorator.php
@@ -3,7 +3,7 @@
 /**
  * Cache decorator.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/SearchSpecsReader.php b/module/VuFind/src/VuFind/Config/SearchSpecsReader.php
index e49deb4c3eea0efedbbf1d42892bf03bbec1c373..6e1ebabf5b0b94b56d4755a0144b527b7af82c45 100644
--- a/module/VuFind/src/VuFind/Config/SearchSpecsReader.php
+++ b/module/VuFind/src/VuFind/Config/SearchSpecsReader.php
@@ -2,7 +2,7 @@
 /**
  * VuFind SearchSpecs Configuration Reader
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/Upgrade.php b/module/VuFind/src/VuFind/Config/Upgrade.php
index a75c536d277fa3a56dc135fb70c575149ded86f3..d8545d9f03249c51fba35ebfd2da7bef5ab280c4 100644
--- a/module/VuFind/src/VuFind/Config/Upgrade.php
+++ b/module/VuFind/src/VuFind/Config/Upgrade.php
@@ -2,7 +2,7 @@
 /**
  * VF Configuration Upgrade Tool
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/Version.php b/module/VuFind/src/VuFind/Config/Version.php
index 58d62ca1a4908d1d1d805d5e8fa25604e58696c9..d70d0641024cdbd59d5aa0e4c3646084bcef56ba 100644
--- a/module/VuFind/src/VuFind/Config/Version.php
+++ b/module/VuFind/src/VuFind/Config/Version.php
@@ -2,7 +2,7 @@
 /**
  * Version check utility
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/Config/Writer.php b/module/VuFind/src/VuFind/Config/Writer.php
index 9661b9fd0e2375be263bd705b86fbdaa78b2108e..2bdfbfdc6fc19e9a9e6baf7175fa0ecbf7fbbc9f 100644
--- a/module/VuFind/src/VuFind/Config/Writer.php
+++ b/module/VuFind/src/VuFind/Config/Writer.php
@@ -2,7 +2,7 @@
 /**
  * VF Configuration Writer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/YamlReader.php b/module/VuFind/src/VuFind/Config/YamlReader.php
index c4fde08e57296cefa582765d337ab06367dcc6e4..6989eee7f8661f7ef39dc5a95fc1213d60d8473f 100644
--- a/module/VuFind/src/VuFind/Config/YamlReader.php
+++ b/module/VuFind/src/VuFind/Config/YamlReader.php
@@ -2,7 +2,7 @@
 /**
  * VuFind YAML Configuration Reader
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Config/YamlReaderFactory.php b/module/VuFind/src/VuFind/Config/YamlReaderFactory.php
index e779b00d22cbd2eb1a9259ccae254c7d8255c5de..aa7c306e533dbf50370abba9402feb92f1073dd1 100644
--- a/module/VuFind/src/VuFind/Config/YamlReaderFactory.php
+++ b/module/VuFind/src/VuFind/Config/YamlReaderFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for YamlReader (and subclasses).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Connection/OpenLibrary.php b/module/VuFind/src/VuFind/Connection/OpenLibrary.php
index e3e371ae9b364689c19aab750ad5ae3c47fbb4dd..65c93a577847c129bfb1b184df29abfbd944beb9 100644
--- a/module/VuFind/src/VuFind/Connection/OpenLibrary.php
+++ b/module/VuFind/src/VuFind/Connection/OpenLibrary.php
@@ -2,7 +2,7 @@
 /**
  * Open Library Utilities
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Connection/Oracle.php b/module/VuFind/src/VuFind/Connection/Oracle.php
index 5da2af4a758a8ea3686265652a92444f778ddcd9..d40c6a1f7747783e6bcd8664e19d1551b978e2c2 100644
--- a/module/VuFind/src/VuFind/Connection/Oracle.php
+++ b/module/VuFind/src/VuFind/Connection/Oracle.php
@@ -2,7 +2,7 @@
 /**
  * Oracle support code for VTLS Virtua Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) University of Southern Queensland 2008.
  *
diff --git a/module/VuFind/src/VuFind/Connection/Wikipedia.php b/module/VuFind/src/VuFind/Connection/Wikipedia.php
index faecc7ca5641f244083cca92d6fecc88008adea9..88b2f5e8d747db02648e62a52d051e352705d6a2 100644
--- a/module/VuFind/src/VuFind/Connection/Wikipedia.php
+++ b/module/VuFind/src/VuFind/Connection/Wikipedia.php
@@ -2,7 +2,7 @@
 /**
  * Wikipedia connection class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Connection/WorldCatUtils.php b/module/VuFind/src/VuFind/Connection/WorldCatUtils.php
index 8b378e1915d9816e390cddaa00e7cbe6b609a9d2..a5390a20707fb9b48b72f724def8a25d3f1925fa 100644
--- a/module/VuFind/src/VuFind/Connection/WorldCatUtils.php
+++ b/module/VuFind/src/VuFind/Connection/WorldCatUtils.php
@@ -2,7 +2,7 @@
 /**
  * World Cat Utilities
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Connection/WorldCatUtilsFactory.php b/module/VuFind/src/VuFind/Connection/WorldCatUtilsFactory.php
index d8884a7b034c9227094627e3153050f8e5c18368..b38f8f6a435f6c8ddebfef72f45bf544eafa25c0 100644
--- a/module/VuFind/src/VuFind/Connection/WorldCatUtilsFactory.php
+++ b/module/VuFind/src/VuFind/Connection/WorldCatUtilsFactory.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat utils factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractAmazon.php b/module/VuFind/src/VuFind/Content/AbstractAmazon.php
index 4cb9b28daca4d2d9625096fc0118e664ff937cff..25d02f0a19f4d671f6b8e0b109ee21e10ac6c3e9 100644
--- a/module/VuFind/src/VuFind/Content/AbstractAmazon.php
+++ b/module/VuFind/src/VuFind/Content/AbstractAmazon.php
@@ -2,7 +2,7 @@
 /**
  * Generic Amazon content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractAmazonFactory.php b/module/VuFind/src/VuFind/Content/AbstractAmazonFactory.php
index d46af909f6293aa5741af4eed9ef39fd3911ec47..b094fba62777723cce02c13539eae969838b870e 100644
--- a/module/VuFind/src/VuFind/Content/AbstractAmazonFactory.php
+++ b/module/VuFind/src/VuFind/Content/AbstractAmazonFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic Amazon content plugin factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractBase.php b/module/VuFind/src/VuFind/Content/AbstractBase.php
index 4300efa27ff17b35ade27ae3ca293c4e7b96d523..cc2fb4de81c2766bf348b71ea71968f68273066a 100644
--- a/module/VuFind/src/VuFind/Content/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Content/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base for content loader plug-ins.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractCover.php b/module/VuFind/src/VuFind/Content/AbstractCover.php
index fd9ee46af21f53ec503c2de8576dd87f7b2b912b..39a6e7b26b714ce0b1b057698e635f6928c2ceda 100644
--- a/module/VuFind/src/VuFind/Content/AbstractCover.php
+++ b/module/VuFind/src/VuFind/Content/AbstractCover.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base for cover loader plug-ins.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractSyndetics.php b/module/VuFind/src/VuFind/Content/AbstractSyndetics.php
index 1a7d9fccbd6005faea2f431aafd1952402c6ed42..522459e3324e7be09d6306e0088766cc25f7e3d6 100644
--- a/module/VuFind/src/VuFind/Content/AbstractSyndetics.php
+++ b/module/VuFind/src/VuFind/Content/AbstractSyndetics.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base for Syndetics content loader plug-ins.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/AbstractSyndeticsFactory.php b/module/VuFind/src/VuFind/Content/AbstractSyndeticsFactory.php
index 01d0c4da9891dc24c5ed006ce2d5fed80f9f2959..a8abaae767602bb9c233449548e4857f0d3a68bb 100644
--- a/module/VuFind/src/VuFind/Content/AbstractSyndeticsFactory.php
+++ b/module/VuFind/src/VuFind/Content/AbstractSyndeticsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic Syndetics content plugin factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/AuthorNotes/Demo.php b/module/VuFind/src/VuFind/Content/AuthorNotes/Demo.php
index fc4cabc2f0c230b3da7ec766ed8cef4764559594..dc01d324a886bdc0c74e93af1bc0dc3392105acd 100644
--- a/module/VuFind/src/VuFind/Content/AuthorNotes/Demo.php
+++ b/module/VuFind/src/VuFind/Content/AuthorNotes/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo (fake data) author notes content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/AuthorNotes/PluginManager.php b/module/VuFind/src/VuFind/Content/AuthorNotes/PluginManager.php
index 7282cfa9dee0c264672e26036cbca8d831902a1c..75bee998b92f0a648559c2d24b6692a9686f370e 100644
--- a/module/VuFind/src/VuFind/Content/AuthorNotes/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/AuthorNotes/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Author notes content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/AuthorNotes/Syndetics.php b/module/VuFind/src/VuFind/Content/AuthorNotes/Syndetics.php
index 521427ec21c4130dc4a04c9ac0f5ae34ff95d10d..ec89bf37771966d80d7773b933523aaaa8d286b0 100644
--- a/module/VuFind/src/VuFind/Content/AuthorNotes/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/AuthorNotes/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics author notes content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Amazon.php b/module/VuFind/src/VuFind/Content/Covers/Amazon.php
index 02a9b3ec27f9901899157bc2fd8674e39c91402c..e85d1cafa4d7c7b06bc7e81c95b51de19a2095b7 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Amazon.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Amazon.php
@@ -2,7 +2,7 @@
 /**
  * Amazon cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Booksite.php b/module/VuFind/src/VuFind/Content/Covers/Booksite.php
index 787e4fe217a7159ae71dd8f018a50ccc5d08aafe..9a6cbadbb99a57915bdeba90ec16d6fcd37603d2 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Booksite.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Booksite.php
@@ -2,7 +2,7 @@
 /**
  * Booksite cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Buchhandel.php b/module/VuFind/src/VuFind/Content/Covers/Buchhandel.php
index d75ab2bd2863d95cb7547c07da4207ed388f3523..4453bffc6587e3f71fb9ab9397f1d2c3190abf73 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Buchhandel.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Buchhandel.php
@@ -2,7 +2,7 @@
 /**
  * Buchhandel cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/ContentCafe.php b/module/VuFind/src/VuFind/Content/Covers/ContentCafe.php
index 7a39eff5c4bb20b6d1ba800c408b676fa1fa7da1..276e492013f2ae0addb027a7322be77bd2acb8fb 100644
--- a/module/VuFind/src/VuFind/Content/Covers/ContentCafe.php
+++ b/module/VuFind/src/VuFind/Content/Covers/ContentCafe.php
@@ -2,7 +2,7 @@
 /**
  * ContentCafe cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Factory.php b/module/VuFind/src/VuFind/Content/Covers/Factory.php
index 1515fde5d5fd740e1cd334aa04c47bf44fcf9040..780403779c9eed39ef0705104371392c5e7cd29e 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Factory.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating content loaders
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Google.php b/module/VuFind/src/VuFind/Content/Covers/Google.php
index b26eaf5b2ad37191a42da48fc911cece5011918d..2267f00000ddd7d63a50af440363504287ab641f 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Google.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Google.php
@@ -2,7 +2,7 @@
 /**
  * Google cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/LibraryThing.php b/module/VuFind/src/VuFind/Content/Covers/LibraryThing.php
index 2ec6d2f3a81f87cf58ff090f3113c1c2119a1575..9e71d1ea0db5a9cddd9ba81477a9d474c309874e 100644
--- a/module/VuFind/src/VuFind/Content/Covers/LibraryThing.php
+++ b/module/VuFind/src/VuFind/Content/Covers/LibraryThing.php
@@ -2,7 +2,7 @@
 /**
  * LibraryThing cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/LocalFile.php b/module/VuFind/src/VuFind/Content/Covers/LocalFile.php
index 793e614215bc11b1a1cd76029cf28b51524068a5..7ebc916bcf8455cf9e5efcf2287fb3a7da0a6813 100644
--- a/module/VuFind/src/VuFind/Content/Covers/LocalFile.php
+++ b/module/VuFind/src/VuFind/Content/Covers/LocalFile.php
@@ -2,7 +2,7 @@
 /**
  * LocalFile cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/OpenLibrary.php b/module/VuFind/src/VuFind/Content/Covers/OpenLibrary.php
index d15098b8e009e57663e62402ec3f2221ba3003c4..42982b6b772fd6affe645d00b8592043c54ea939 100644
--- a/module/VuFind/src/VuFind/Content/Covers/OpenLibrary.php
+++ b/module/VuFind/src/VuFind/Content/Covers/OpenLibrary.php
@@ -2,7 +2,7 @@
 /**
  * OpenLibrary cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/PluginManager.php b/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
index f57c1712b95000ea1a185cdf80ae5d0b0fb20d5c..0b26f0d95f07479d1c5ba8a3ef275d1b838a92f5 100644
--- a/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Covers content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Summon.php b/module/VuFind/src/VuFind/Content/Covers/Summon.php
index a08ae44ce3fa0885dfd194999e99521a978d7998..c5b6e8d94e9e0e29133398318ae92169c7b2eb47 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Summon.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Summon.php
@@ -2,7 +2,7 @@
 /**
  * Summon cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Covers/Syndetics.php b/module/VuFind/src/VuFind/Content/Covers/Syndetics.php
index 5f7095ba4d712954bc52d6db5ba0cf7493e5e2f0..fcc24e54ed9cc42831ea6874ef3b4f1e5fb5a611 100644
--- a/module/VuFind/src/VuFind/Content/Covers/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/Covers/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics cover content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Excerpts/Demo.php b/module/VuFind/src/VuFind/Content/Excerpts/Demo.php
index 988558c8958919567fb76e8512721f8300c9f9e7..0f2b1247977914a73a2f43dad1a42ac20ba8006f 100644
--- a/module/VuFind/src/VuFind/Content/Excerpts/Demo.php
+++ b/module/VuFind/src/VuFind/Content/Excerpts/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo (fake data) excerpts content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/Excerpts/PluginManager.php b/module/VuFind/src/VuFind/Content/Excerpts/PluginManager.php
index 67a06fd188240137a1e4e466dc1ea1f278151628..fd5b3da8e6818d22095c654021ccfe68a8437e62 100644
--- a/module/VuFind/src/VuFind/Content/Excerpts/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Excerpts/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Excerpts content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Excerpts/Syndetics.php b/module/VuFind/src/VuFind/Content/Excerpts/Syndetics.php
index 07ffb6564ce4af45fa7402b8a48c64f5ae24cc0d..3b98839470b442364c8d975e000c83fbcafa714b 100644
--- a/module/VuFind/src/VuFind/Content/Excerpts/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/Excerpts/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics excerpt content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Factory.php b/module/VuFind/src/VuFind/Content/Factory.php
index 2692559708c95ce8937fc92ca3fd5e9f2b5776ed..8e2bc7b44027fe27c339104431170cd6b8779313 100644
--- a/module/VuFind/src/VuFind/Content/Factory.php
+++ b/module/VuFind/src/VuFind/Content/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating content loaders
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Content/Loader.php b/module/VuFind/src/VuFind/Content/Loader.php
index b52adbfda0da34aef1395ab4a6ba55ec5ae3e4d5..747cf0cbd471945791bb2f65822f36cbf817bf9e 100644
--- a/module/VuFind/src/VuFind/Content/Loader.php
+++ b/module/VuFind/src/VuFind/Content/Loader.php
@@ -2,7 +2,7 @@
 /**
  * Third-party content loader
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/PluginManager.php b/module/VuFind/src/VuFind/Content/PluginManager.php
index b14282a378c296e2a501a7e3546579c276778fb8..94a2e457ee053640ed46a2c2f0e8226b82590f92 100644
--- a/module/VuFind/src/VuFind/Content/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/Amazon.php b/module/VuFind/src/VuFind/Content/Reviews/Amazon.php
index 40d746f76517cbf91ced442cfe0d9788f88c4f00..fc73673bbeb32644085bca572db2d808820fa0d5 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/Amazon.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/Amazon.php
@@ -2,7 +2,7 @@
 /**
  * Amazon review content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/AmazonEditorial.php b/module/VuFind/src/VuFind/Content/Reviews/AmazonEditorial.php
index a9f5fbfcef1c115dca4b3dee85ebabaf827a97d9..16720deed7ccf3a36e27e96bd052d9b5452fbe97 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/AmazonEditorial.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/AmazonEditorial.php
@@ -2,7 +2,7 @@
 /**
  * Amazon review content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/Booksite.php b/module/VuFind/src/VuFind/Content/Reviews/Booksite.php
index 327814cbdf8735fe83528c10ff47df62be6d7072..81c25f434f8abc74c5a129da09f6a92819d07200 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/Booksite.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/Booksite.php
@@ -2,7 +2,7 @@
 /**
  * Booksite review content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/BooksiteFactory.php b/module/VuFind/src/VuFind/Content/Reviews/BooksiteFactory.php
index 2ab5bf51583470590c372c20494835b278785c9e..c2363e1846be0f1c42578eaf293e4094e12892c7 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/BooksiteFactory.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/BooksiteFactory.php
@@ -2,7 +2,7 @@
 /**
  * Booksite review plugin factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/Demo.php b/module/VuFind/src/VuFind/Content/Reviews/Demo.php
index 38935355e69c14844329d13a159e2731e44d362c..e59314fb23e4b5da3c1cb5e79ee1ba55708a48b6 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/Demo.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo (fake data) reviews content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/Guardian.php b/module/VuFind/src/VuFind/Content/Reviews/Guardian.php
index c0afc13ee1e20129b59abbf6302d1c943fd58897..04893aa22c6b5350bba2db5b0df6744af14b0971 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/Guardian.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/Guardian.php
@@ -2,7 +2,7 @@
 /**
  * Guardian review content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php b/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
index a76eeb3f306c1dfe1c7c207a6dbfe343c347a1f0..614f8e66abe210fd7b2cbc966ade9b94cc8b83de 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Reviews content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Reviews/Syndetics.php b/module/VuFind/src/VuFind/Content/Reviews/Syndetics.php
index a65e2c03faa50d9248f14a7131af48f57d8fe8c9..765f5f9ea0f2af5880f4a883f084ca89dc843028 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics review content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Content/Summaries/Demo.php b/module/VuFind/src/VuFind/Content/Summaries/Demo.php
index 0944e95a0d56baf3dd8db3a887f58beea51c0b2c..3d309654e0870b48646db8c18849a588b83c2534 100644
--- a/module/VuFind/src/VuFind/Content/Summaries/Demo.php
+++ b/module/VuFind/src/VuFind/Content/Summaries/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo (fake data) summaries content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/Summaries/PluginManager.php b/module/VuFind/src/VuFind/Content/Summaries/PluginManager.php
index bc583bd81fd0a2f0350a366584544aee15e5c447..8a1a8ec4414ca3ca8c679480f29747c2397bd6b2 100644
--- a/module/VuFind/src/VuFind/Content/Summaries/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Summaries/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Summaries content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The University of Chicago 2017.
  *
diff --git a/module/VuFind/src/VuFind/Content/Summaries/Syndetics.php b/module/VuFind/src/VuFind/Content/Summaries/Syndetics.php
index 7a2f1a906d36713c30c3384272c67eee53434742..67a12f0a346eb42633b913bb5207b3f2869b0e9a 100644
--- a/module/VuFind/src/VuFind/Content/Summaries/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/Summaries/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics Summaries content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The University of Chicago 2017.
  *
diff --git a/module/VuFind/src/VuFind/Content/TOC/Demo.php b/module/VuFind/src/VuFind/Content/TOC/Demo.php
index dafc629cd00fbe49e0b9c8e0934ec122cec9fb4a..c848aea5482a909b7381b928ea2502cdafcbb3d5 100644
--- a/module/VuFind/src/VuFind/Content/TOC/Demo.php
+++ b/module/VuFind/src/VuFind/Content/TOC/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo (fake data) TOC content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Content/TOC/PluginManager.php b/module/VuFind/src/VuFind/Content/TOC/PluginManager.php
index e49582dc5cceb06dd8ff542f0e93a4f03da7beb1..233a79e5080c88c757eb02bf08cb534870fbb5aa 100644
--- a/module/VuFind/src/VuFind/Content/TOC/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/TOC/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * TOC content loader plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The University of Chicago 2017.
  *
diff --git a/module/VuFind/src/VuFind/Content/TOC/Syndetics.php b/module/VuFind/src/VuFind/Content/TOC/Syndetics.php
index bfe330b1fd9c9c5ef3fa280b69986f20f13aa04f..e68bc6b742ab85ba0e5a03550d3e9a7ea8b8642b 100644
--- a/module/VuFind/src/VuFind/Content/TOC/Syndetics.php
+++ b/module/VuFind/src/VuFind/Content/TOC/Syndetics.php
@@ -2,7 +2,7 @@
 /**
  * Syndetics TOC content loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The University of Chicago 2017.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AbstractBase.php b/module/VuFind/src/VuFind/Controller/AbstractBase.php
index 20e96f507848576cc691a394e207671000980eb6..033d9f56ff8c2800c94e62c4e483334728633531 100644
--- a/module/VuFind/src/VuFind/Controller/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Controller/AbstractBase.php
@@ -3,7 +3,7 @@
  * VuFind controller base class (defines some methods that can be shared by other
  * controllers).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AbstractBaseFactory.php b/module/VuFind/src/VuFind/Controller/AbstractBaseFactory.php
index 56bfd93bf9ee48c1cbb1c123e1b1f363cfe6b7c9..6f3d621cc8a42f64a02a5cc252718a906dde3aa6 100644
--- a/module/VuFind/src/VuFind/Controller/AbstractBaseFactory.php
+++ b/module/VuFind/src/VuFind/Controller/AbstractBaseFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic controller factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AbstractBaseWithConfigFactory.php b/module/VuFind/src/VuFind/Controller/AbstractBaseWithConfigFactory.php
index 7a02ed71aa72a089ccaecf0e1bb1e8c6f0f440e2..3da3fd398e51bf0d217d12fcbd5eeb0d1632e46f 100644
--- a/module/VuFind/src/VuFind/Controller/AbstractBaseWithConfigFactory.php
+++ b/module/VuFind/src/VuFind/Controller/AbstractBaseWithConfigFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic controller factory (with config injection).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AbstractRecord.php b/module/VuFind/src/VuFind/Controller/AbstractRecord.php
index 3e0312d60b44a74b740554f75a9a1cf641972356..80fe11cd20a725bcf2baf85fc203b51a101d6c38 100644
--- a/module/VuFind/src/VuFind/Controller/AbstractRecord.php
+++ b/module/VuFind/src/VuFind/Controller/AbstractRecord.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AbstractSearch.php b/module/VuFind/src/VuFind/Controller/AbstractSearch.php
index bdbff75d88285d4d8f60ca7e2fe6e0a5b46009e7..31574d8938e508745f81e00b8d4848c6ff696b9a 100644
--- a/module/VuFind/src/VuFind/Controller/AbstractSearch.php
+++ b/module/VuFind/src/VuFind/Controller/AbstractSearch.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Search Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AjaxController.php b/module/VuFind/src/VuFind/Controller/AjaxController.php
index ea796681bb31fc7a5d5bd5ccaad44a658cbbce33..a664271db62cccf9b8a9e81227f330e02802a2ef 100644
--- a/module/VuFind/src/VuFind/Controller/AjaxController.php
+++ b/module/VuFind/src/VuFind/Controller/AjaxController.php
@@ -2,7 +2,7 @@
 /**
  * Ajax Controller Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AjaxControllerFactory.php b/module/VuFind/src/VuFind/Controller/AjaxControllerFactory.php
index ec10195410780fb3523119875594cde8e0c39819..4055fa902ac2e800832ecab8763571e7dacb05ab 100644
--- a/module/VuFind/src/VuFind/Controller/AjaxControllerFactory.php
+++ b/module/VuFind/src/VuFind/Controller/AjaxControllerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Ajax controller factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AjaxResponseTrait.php b/module/VuFind/src/VuFind/Controller/AjaxResponseTrait.php
index 3d3c066f88da96cfb09e5ca645b4c9173479db5b..7de03d5e7391d56af5f717efc5b819dc01dfb29a 100644
--- a/module/VuFind/src/VuFind/Controller/AjaxResponseTrait.php
+++ b/module/VuFind/src/VuFind/Controller/AjaxResponseTrait.php
@@ -2,7 +2,7 @@
 /**
  * Trait to allow AJAX response generation.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AlphabrowseController.php b/module/VuFind/src/VuFind/Controller/AlphabrowseController.php
index 646d827743e0d71e5b98d3c47ea13bbceae96097..4d9229d256d65d2a01433e4c7e35afd3e34782b8 100644
--- a/module/VuFind/src/VuFind/Controller/AlphabrowseController.php
+++ b/module/VuFind/src/VuFind/Controller/AlphabrowseController.php
@@ -2,7 +2,7 @@
 /**
  * AlphaBrowse Module Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AuthorController.php b/module/VuFind/src/VuFind/Controller/AuthorController.php
index 272a012f73534db62b9470dc932114ef097e04f7..fba275758af93da8e42e40e4ec18ed3d63553849 100644
--- a/module/VuFind/src/VuFind/Controller/AuthorController.php
+++ b/module/VuFind/src/VuFind/Controller/AuthorController.php
@@ -2,7 +2,7 @@
 /**
  * Author Search Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/AuthorityController.php b/module/VuFind/src/VuFind/Controller/AuthorityController.php
index 9fa3c32e3ca08223e47ee3daa6318401939d927d..7a747fe121cb046a6ec94505701e9de57006aa1a 100644
--- a/module/VuFind/src/VuFind/Controller/AuthorityController.php
+++ b/module/VuFind/src/VuFind/Controller/AuthorityController.php
@@ -2,7 +2,7 @@
 /**
  * Authority Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/BrowZineController.php b/module/VuFind/src/VuFind/Controller/BrowZineController.php
index 8e6850b1d3012cf13de9827a1698ca7b790867d8..eedebb315d129e677a81bc37c5d3b57a4a07b95f 100644
--- a/module/VuFind/src/VuFind/Controller/BrowZineController.php
+++ b/module/VuFind/src/VuFind/Controller/BrowZineController.php
@@ -2,7 +2,7 @@
 /**
  * BrowZine Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Controller/BrowseController.php b/module/VuFind/src/VuFind/Controller/BrowseController.php
index ecbddf5765441f1fc15f606237683fbcf24ba5d7..09a1bb2f14f65175b4bb24ecdca16bf2dd791175 100644
--- a/module/VuFind/src/VuFind/Controller/BrowseController.php
+++ b/module/VuFind/src/VuFind/Controller/BrowseController.php
@@ -2,7 +2,7 @@
 /**
  * Browse Module Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Controller/CartController.php b/module/VuFind/src/VuFind/Controller/CartController.php
index 24fe5f42486c1390c069ac6bc0f0e40202f348dc..68980fb2a00d59397f6c6d34b8daccc85a973195 100644
--- a/module/VuFind/src/VuFind/Controller/CartController.php
+++ b/module/VuFind/src/VuFind/Controller/CartController.php
@@ -2,7 +2,7 @@
 /**
  * Book Bag / Bulk Action Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/CartControllerFactory.php b/module/VuFind/src/VuFind/Controller/CartControllerFactory.php
index aeb4165b40e3c92e8881bb29f4561285ca807e7f..776eaea2ec19b072a9232a5a7968dc5172338e8a 100644
--- a/module/VuFind/src/VuFind/Controller/CartControllerFactory.php
+++ b/module/VuFind/src/VuFind/Controller/CartControllerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Cart controller factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ChannelsController.php b/module/VuFind/src/VuFind/Controller/ChannelsController.php
index b28cbb063551fe51f69818913144ebb8ca355590..d5f6244ff0b27965ec4dfa5fc6edfe229affb95e 100644
--- a/module/VuFind/src/VuFind/Controller/ChannelsController.php
+++ b/module/VuFind/src/VuFind/Controller/ChannelsController.php
@@ -2,7 +2,7 @@
 /**
  * Channels Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Controller/CollectionController.php b/module/VuFind/src/VuFind/Controller/CollectionController.php
index b50e1e24f5791f0e50d8d94792ba45825d603bb2..e2848e13e149b44275319528167a5e35a5bb2523 100644
--- a/module/VuFind/src/VuFind/Controller/CollectionController.php
+++ b/module/VuFind/src/VuFind/Controller/CollectionController.php
@@ -2,7 +2,7 @@
 /**
  * Collection Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/CollectionsController.php b/module/VuFind/src/VuFind/Controller/CollectionsController.php
index 563ffbf58cba1545899e78b4e2db8097222f9be2..7055802642a230abc93b781594cd1e314b066543 100644
--- a/module/VuFind/src/VuFind/Controller/CollectionsController.php
+++ b/module/VuFind/src/VuFind/Controller/CollectionsController.php
@@ -2,7 +2,7 @@
 /**
  * Collections Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/CombinedController.php b/module/VuFind/src/VuFind/Controller/CombinedController.php
index 5566e6df1a81edc1f2253989903813c6eaa0e068..c54d9b8b066682e5f78832f2f7ac365c4583b323 100644
--- a/module/VuFind/src/VuFind/Controller/CombinedController.php
+++ b/module/VuFind/src/VuFind/Controller/CombinedController.php
@@ -2,7 +2,7 @@
 /**
  * Combined Search Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ConfirmController.php b/module/VuFind/src/VuFind/Controller/ConfirmController.php
index 7bf76a42fafe228bd007ccd3dc5fc53dae1e5716..3bacfcea283aad84914e5d86587359c7661d9a1d 100644
--- a/module/VuFind/src/VuFind/Controller/ConfirmController.php
+++ b/module/VuFind/src/VuFind/Controller/ConfirmController.php
@@ -2,7 +2,7 @@
 /**
  * Confirm Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ContentController.php b/module/VuFind/src/VuFind/Controller/ContentController.php
index 607f9d30cd0f91a251787cd73d3669f65829d13d..85b9de46d4355b1c853f9bb62ad44267dcb780f3 100644
--- a/module/VuFind/src/VuFind/Controller/ContentController.php
+++ b/module/VuFind/src/VuFind/Controller/ContentController.php
@@ -2,7 +2,7 @@
 /**
  * Content Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  * Copyright (C) The National Library of Finland 2014-2016.
diff --git a/module/VuFind/src/VuFind/Controller/CoverController.php b/module/VuFind/src/VuFind/Controller/CoverController.php
index 430ae5e6595cec0c68e8827169c21977a211c987..e50be8caf7087a97a28278e31cedc561e7284995 100644
--- a/module/VuFind/src/VuFind/Controller/CoverController.php
+++ b/module/VuFind/src/VuFind/Controller/CoverController.php
@@ -2,7 +2,7 @@
 /**
  * Cover Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Controller/EITController.php b/module/VuFind/src/VuFind/Controller/EITController.php
index 799f6a03a95936f164d6592a7c34158827111750..282b040d12d2548adbd8e978430d39c585d8cead 100644
--- a/module/VuFind/src/VuFind/Controller/EITController.php
+++ b/module/VuFind/src/VuFind/Controller/EITController.php
@@ -2,7 +2,7 @@
 /**
  * EIT Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/EITrecordController.php b/module/VuFind/src/VuFind/Controller/EITrecordController.php
index 6ea51728d8dc996c98155c14543712f1c56636eb..5bab533561128c0f64aa829b0d6d693b8fc6677f 100644
--- a/module/VuFind/src/VuFind/Controller/EITrecordController.php
+++ b/module/VuFind/src/VuFind/Controller/EITrecordController.php
@@ -2,7 +2,7 @@
 /**
  * EIT Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/EdsController.php b/module/VuFind/src/VuFind/Controller/EdsController.php
index 4f51f7cfd03503b4c2483a111cd3d32082276f61..055487be092e297db52574877daaeb2650cd917c 100644
--- a/module/VuFind/src/VuFind/Controller/EdsController.php
+++ b/module/VuFind/src/VuFind/Controller/EdsController.php
@@ -2,7 +2,7 @@
 /**
  * Eds Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/EdsrecordController.php b/module/VuFind/src/VuFind/Controller/EdsrecordController.php
index e3ad861d502ccd444c55ef94e2a96bdd5c1161ac..526588c36ffe92ee2a8640cc080e91d1d3863da0 100644
--- a/module/VuFind/src/VuFind/Controller/EdsrecordController.php
+++ b/module/VuFind/src/VuFind/Controller/EdsrecordController.php
@@ -2,7 +2,7 @@
 /**
  * EDS Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ErrorController.php b/module/VuFind/src/VuFind/Controller/ErrorController.php
index e01491e98d0598af2344d71dc0c59c088be9076d..fcd92d1c508badae99a235051168b4315439a4af 100644
--- a/module/VuFind/src/VuFind/Controller/ErrorController.php
+++ b/module/VuFind/src/VuFind/Controller/ErrorController.php
@@ -2,7 +2,7 @@
 /**
  * Error Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ExternalAuthController.php b/module/VuFind/src/VuFind/Controller/ExternalAuthController.php
index 1964d2105011551be592cedc43f801ed5847614f..2899c4a7b6040cd4af5fe4c8dce7f2d190019de9 100644
--- a/module/VuFind/src/VuFind/Controller/ExternalAuthController.php
+++ b/module/VuFind/src/VuFind/Controller/ExternalAuthController.php
@@ -2,7 +2,7 @@
 /**
  * External Authentication/Authorization Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016.
  *
diff --git a/module/VuFind/src/VuFind/Controller/FeedbackController.php b/module/VuFind/src/VuFind/Controller/FeedbackController.php
index fe37b3486d0f798d0cbe869af5e7203c7c7d9f73..676280a1ab55a9eb44a1e265a4a8704d196f3357 100644
--- a/module/VuFind/src/VuFind/Controller/FeedbackController.php
+++ b/module/VuFind/src/VuFind/Controller/FeedbackController.php
@@ -2,7 +2,7 @@
 /**
  * Feedback Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * @category VuFind
  * @package  Controller
diff --git a/module/VuFind/src/VuFind/Controller/HelpController.php b/module/VuFind/src/VuFind/Controller/HelpController.php
index 320dee1df69fe87b17dfea38069b5e7c56207ec6..4d85bfa75539e05c3ff635d53c9c505ecce2ffa7 100644
--- a/module/VuFind/src/VuFind/Controller/HelpController.php
+++ b/module/VuFind/src/VuFind/Controller/HelpController.php
@@ -2,7 +2,7 @@
 /**
  * Home action for Help module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Controller/HierarchyController.php b/module/VuFind/src/VuFind/Controller/HierarchyController.php
index c7325ae8b1050666879dd8a52e18290f549bcf02..c99b5edce387fa58ba689d059061436a2233c7ee 100644
--- a/module/VuFind/src/VuFind/Controller/HierarchyController.php
+++ b/module/VuFind/src/VuFind/Controller/HierarchyController.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/HoldsTrait.php b/module/VuFind/src/VuFind/Controller/HoldsTrait.php
index d440ba7784b1b3a78f183d5e4c81bb19bdb3c651..e1081430708b15c899510f195233c72dd1b5ed24 100644
--- a/module/VuFind/src/VuFind/Controller/HoldsTrait.php
+++ b/module/VuFind/src/VuFind/Controller/HoldsTrait.php
@@ -2,7 +2,7 @@
 /**
  * Holds trait (for subclasses of AbstractRecord)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ILLRequestsTrait.php b/module/VuFind/src/VuFind/Controller/ILLRequestsTrait.php
index 58bc655256b9dc0ef2666f0a06b603bbfb4e347f..b06d691ea1de1bf9e2f68cf52a7ebe8a75f401d9 100644
--- a/module/VuFind/src/VuFind/Controller/ILLRequestsTrait.php
+++ b/module/VuFind/src/VuFind/Controller/ILLRequestsTrait.php
@@ -2,7 +2,7 @@
 /**
  * ILL trait (for subclasses of AbstractRecord)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/IndexController.php b/module/VuFind/src/VuFind/Controller/IndexController.php
index d1c4c276962fd60271c52db745d7b3fe72e0a0a0..2b5dfaa0fff102273e2d8eae884eee6f18b79780 100644
--- a/module/VuFind/src/VuFind/Controller/IndexController.php
+++ b/module/VuFind/src/VuFind/Controller/IndexController.php
@@ -2,7 +2,7 @@
 /**
  * Default Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/IndexControllerFactory.php b/module/VuFind/src/VuFind/Controller/IndexControllerFactory.php
index e05e020d5f7843cc4d3e16e88e352178f6b10d0c..40d94a426b43c3144422f4c7c2e7504c94983178 100644
--- a/module/VuFind/src/VuFind/Controller/IndexControllerFactory.php
+++ b/module/VuFind/src/VuFind/Controller/IndexControllerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Index controller factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/InstallController.php b/module/VuFind/src/VuFind/Controller/InstallController.php
index a205df8e50eed4b153408adf96e96e669ebe8188..37e11ca17cb4098333164c6644f960d31469cef5 100644
--- a/module/VuFind/src/VuFind/Controller/InstallController.php
+++ b/module/VuFind/src/VuFind/Controller/InstallController.php
@@ -2,7 +2,7 @@
 /**
  * Install Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/LibGuidesController.php b/module/VuFind/src/VuFind/Controller/LibGuidesController.php
index fe2ec5b65e03fe6b55d997839bca871a30b69557..1a99d2187b87cc9e82f2e57989dca3897ca8d85d 100644
--- a/module/VuFind/src/VuFind/Controller/LibGuidesController.php
+++ b/module/VuFind/src/VuFind/Controller/LibGuidesController.php
@@ -2,7 +2,7 @@
 /**
  * LibGuides Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/LibraryCardsController.php b/module/VuFind/src/VuFind/Controller/LibraryCardsController.php
index 0874597b30a71acc41de2b1095a158b35b587496..f4d489a84e93652937a2035d56028cacb7c4f230 100644
--- a/module/VuFind/src/VuFind/Controller/LibraryCardsController.php
+++ b/module/VuFind/src/VuFind/Controller/LibraryCardsController.php
@@ -2,7 +2,7 @@
 /**
  * LibraryCards Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/Controller/MissingrecordController.php b/module/VuFind/src/VuFind/Controller/MissingrecordController.php
index 9998aab0dac920b6d62d3f81cd4e58469e5094d8..bc53a67da825e843fddcfca5ecfe5f92245326bc 100644
--- a/module/VuFind/src/VuFind/Controller/MissingrecordController.php
+++ b/module/VuFind/src/VuFind/Controller/MissingrecordController.php
@@ -2,7 +2,7 @@
 /**
  * Missing Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/MyResearchController.php b/module/VuFind/src/VuFind/Controller/MyResearchController.php
index b96a9f96a0f92bc4f9d168f8e0ccb551375dad54..2f8ffa6754d87ef1e1142226177ae909d1f9a518 100644
--- a/module/VuFind/src/VuFind/Controller/MyResearchController.php
+++ b/module/VuFind/src/VuFind/Controller/MyResearchController.php
@@ -2,7 +2,7 @@
 /**
  * MyResearch Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/OaiController.php b/module/VuFind/src/VuFind/Controller/OaiController.php
index 8cbb5962b3a4b7740e2e203e9039331a1420010e..0024247a4874f9d9a602b98a90c4f0520d80b066 100644
--- a/module/VuFind/src/VuFind/Controller/OaiController.php
+++ b/module/VuFind/src/VuFind/Controller/OaiController.php
@@ -2,7 +2,7 @@
 /**
  * OAI Module Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Pazpar2Controller.php b/module/VuFind/src/VuFind/Controller/Pazpar2Controller.php
index 36e52e88c8852319e677d7567f97560609959ac0..32fa508f7755958d3c0bf892ea33cd58697eb832 100644
--- a/module/VuFind/src/VuFind/Controller/Pazpar2Controller.php
+++ b/module/VuFind/src/VuFind/Controller/Pazpar2Controller.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Pazpar2recordController.php b/module/VuFind/src/VuFind/Controller/Pazpar2recordController.php
index 868169eaf5ee9a17d2132afb1bad9b2905ad40c0..63805efdfd5a46f1aa55a04e8cb55f0512f41fbb 100644
--- a/module/VuFind/src/VuFind/Controller/Pazpar2recordController.php
+++ b/module/VuFind/src/VuFind/Controller/Pazpar2recordController.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/AbstractRequestBase.php b/module/VuFind/src/VuFind/Controller/Plugin/AbstractRequestBase.php
index 619fd99818867f21f8234a98626f583f74d5e827..665f4d20c3df9eda106d3c8b88c500bb90575a0f 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/AbstractRequestBase.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/AbstractRequestBase.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Requests Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/DbUpgrade.php b/module/VuFind/src/VuFind/Controller/Plugin/DbUpgrade.php
index 3676b38c35a45e2d9cc81811ec6c2efbd17f93c5..1be1b4663c8bb57982ad48bddce2a6271316f748 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/DbUpgrade.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/DbUpgrade.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Database upgrade tools
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Factory.php b/module/VuFind/src/VuFind/Controller/Plugin/Factory.php
index 07e9380a71a6523ba15834ec32ed083d5b1bdb04..247a8b5217612b0278d09d1918237ede6630c700 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Factory.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for controller plugins.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Favorites.php b/module/VuFind/src/VuFind/Controller/Plugin/Favorites.php
index 5cf5ee695ad14ca16b9a75b72b5bf0d8ae218ae3..49a9373e113bae150414e52942db8d9f2a9a009a 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Favorites.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Favorites.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Favorites Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Followup.php b/module/VuFind/src/VuFind/Controller/Plugin/Followup.php
index 5770fed412b460a318f2362b1caea9b9128e2c2a..ce7bd23b8075fd3daa0a5d1d66cf42d536d419af 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Followup.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Followup.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Followup
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Holds.php b/module/VuFind/src/VuFind/Controller/Plugin/Holds.php
index b772c09c15d89a2538a3663b9dbf666113a221ba..68bcbae7e450116dfc971c23bea3fa236b6cb6f3 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Holds.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Holds.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Holds Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/ILLRequests.php b/module/VuFind/src/VuFind/Controller/Plugin/ILLRequests.php
index ede5109abb69f360292f372f24eb6b62b8891d8e..6c5537d7b5a1d9e12a2f7af46eae68164007ea66 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/ILLRequests.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/ILLRequests.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - ILL Requests Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2014.
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/NewItems.php b/module/VuFind/src/VuFind/Controller/Plugin/NewItems.php
index dcdf9305c5eb5aca44441c71d707a4aaa28ee479..c18a4195be689581287531fbbe1d32ab7a1ef716 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/NewItems.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/NewItems.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - New Items Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Permission.php b/module/VuFind/src/VuFind/Controller/Plugin/Permission.php
index cf8e43c7c8a0901c98b01d7ec78b39ac3fe2368d..26acd4afad54a8d7f26643ef984545044934f494 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Permission.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Permission.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Permission Checker
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Recaptcha.php b/module/VuFind/src/VuFind/Controller/Plugin/Recaptcha.php
index ed68f08b3da16ac3acbcd8b244675cf8f0b81a60..2142f86351095ab374586eec4ad4e63d16a948a5 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Recaptcha.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Recaptcha.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Recaptcha handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Renewals.php b/module/VuFind/src/VuFind/Controller/Plugin/Renewals.php
index eb8b79260851c55735bf1fbb74315cca4c1f6dea..9767d9ed20b1db5bcd9509d1e00cd6d015dc712e 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Renewals.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Renewals.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Renewals Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/Reserves.php b/module/VuFind/src/VuFind/Controller/Plugin/Reserves.php
index b84e48907db2a34aeec52d87ecec5550ec44abb2..801cc28de342acb80188fbd27ca82a852478af56 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/Reserves.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/Reserves.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Reserves Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/ResultScroller.php b/module/VuFind/src/VuFind/Controller/Plugin/ResultScroller.php
index 82c0ab36195916a53f360d37b883563deae6b789..a507a24895413fb3e188169a5229cce2f33b0068 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/ResultScroller.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/ResultScroller.php
@@ -2,7 +2,7 @@
 /**
  * Class for managing "next" and "previous" navigation within result sets.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010
  *
diff --git a/module/VuFind/src/VuFind/Controller/Plugin/StorageRetrievalRequests.php b/module/VuFind/src/VuFind/Controller/Plugin/StorageRetrievalRequests.php
index 50413be6b04cdd659a4d8ccb28cbee06fe273812..11bc1817730aa93d8d01c6bb0bad3a765b71d704 100644
--- a/module/VuFind/src/VuFind/Controller/Plugin/StorageRetrievalRequests.php
+++ b/module/VuFind/src/VuFind/Controller/Plugin/StorageRetrievalRequests.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Action Helper - Storage Retrieval Requests Support Methods
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2014.
diff --git a/module/VuFind/src/VuFind/Controller/PrimoController.php b/module/VuFind/src/VuFind/Controller/PrimoController.php
index 97f160432ddd6a76bbc623ef4e8b1534b7bcc8b4..1c950799d781433ea9f817a42c2b84a8189d64db 100644
--- a/module/VuFind/src/VuFind/Controller/PrimoController.php
+++ b/module/VuFind/src/VuFind/Controller/PrimoController.php
@@ -2,7 +2,7 @@
 /**
  * Primo Central Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/PrimorecordController.php b/module/VuFind/src/VuFind/Controller/PrimorecordController.php
index f5c75e169d77d9571414ee39ef652ac523427ebc..c34d535f9aef5564836f6bd5263863efe003019f 100644
--- a/module/VuFind/src/VuFind/Controller/PrimorecordController.php
+++ b/module/VuFind/src/VuFind/Controller/PrimorecordController.php
@@ -2,7 +2,7 @@
 /**
  * Primo Central Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/QRCodeController.php b/module/VuFind/src/VuFind/Controller/QRCodeController.php
index b8e9c01a887cd0585aed1762a3446c345b9f048d..ad1714d36d55d28cad78007e4a8630028c22e3b5 100644
--- a/module/VuFind/src/VuFind/Controller/QRCodeController.php
+++ b/module/VuFind/src/VuFind/Controller/QRCodeController.php
@@ -2,7 +2,7 @@
 /**
  * QRCode Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Controller/RecordController.php b/module/VuFind/src/VuFind/Controller/RecordController.php
index f631744b60d3b28282288afc41440ee42fdedf42..a44027b1dd25418d60ba121bddf08ba49670c98e 100644
--- a/module/VuFind/src/VuFind/Controller/RecordController.php
+++ b/module/VuFind/src/VuFind/Controller/RecordController.php
@@ -2,7 +2,7 @@
 /**
  * Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/RecordsController.php b/module/VuFind/src/VuFind/Controller/RecordsController.php
index ad9353f1ace315e1913e1bcc4ef28d16fc846728..7f6b09114cf27bab3ee6ccbe16d34bee046ccffd 100644
--- a/module/VuFind/src/VuFind/Controller/RecordsController.php
+++ b/module/VuFind/src/VuFind/Controller/RecordsController.php
@@ -2,7 +2,7 @@
 /**
  * Records Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/SearchController.php b/module/VuFind/src/VuFind/Controller/SearchController.php
index 81663a5e896d06468a4d6c335d01efc49959c978..27b89921974c4544750276699bd13926efa9887f 100644
--- a/module/VuFind/src/VuFind/Controller/SearchController.php
+++ b/module/VuFind/src/VuFind/Controller/SearchController.php
@@ -2,7 +2,7 @@
 /**
  * Default Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/ShibbolethLogoutNotificationController.php b/module/VuFind/src/VuFind/Controller/ShibbolethLogoutNotificationController.php
index 1f85c4fbfd2a788112a6f2b71a8cca03a4bcf79f..56c836a91683d210dceb4db0ab60fc188e9eb75a 100644
--- a/module/VuFind/src/VuFind/Controller/ShibbolethLogoutNotificationController.php
+++ b/module/VuFind/src/VuFind/Controller/ShibbolethLogoutNotificationController.php
@@ -2,7 +2,7 @@
 /**
  * Shibboleth Logout Notification API Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016.
  *
diff --git a/module/VuFind/src/VuFind/Controller/StorageRetrievalRequestsTrait.php b/module/VuFind/src/VuFind/Controller/StorageRetrievalRequestsTrait.php
index b21b40616fed49982cabf2f71004ca3e599530b7..221c6087d53eb50a978ed211464fd0534254f6b0 100644
--- a/module/VuFind/src/VuFind/Controller/StorageRetrievalRequestsTrait.php
+++ b/module/VuFind/src/VuFind/Controller/StorageRetrievalRequestsTrait.php
@@ -2,7 +2,7 @@
 /**
  * Storage retrieval requests trait (for subclasses of AbstractRecord)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/SummonController.php b/module/VuFind/src/VuFind/Controller/SummonController.php
index 0a49591aeaab8572205b154edba86bafca7337fe..d1d7e620edca68f7e054a33691e0086d40d2d6b9 100644
--- a/module/VuFind/src/VuFind/Controller/SummonController.php
+++ b/module/VuFind/src/VuFind/Controller/SummonController.php
@@ -2,7 +2,7 @@
 /**
  * Summon Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/SummonrecordController.php b/module/VuFind/src/VuFind/Controller/SummonrecordController.php
index 4d9a8d35823e213dbd6c7a35516049598b76fa5a..07fb137d09b15e0b857ec75438fd320306bc292d 100644
--- a/module/VuFind/src/VuFind/Controller/SummonrecordController.php
+++ b/module/VuFind/src/VuFind/Controller/SummonrecordController.php
@@ -2,7 +2,7 @@
 /**
  * Summon Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/TagController.php b/module/VuFind/src/VuFind/Controller/TagController.php
index a58d79019ded9781fb3b309e3a6fd7e55b9ac31d..d5906cd2b9d3225bc289a5cc24e80f3ff9ae2fc4 100644
--- a/module/VuFind/src/VuFind/Controller/TagController.php
+++ b/module/VuFind/src/VuFind/Controller/TagController.php
@@ -2,7 +2,7 @@
 /**
  * Tag Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/UpgradeController.php b/module/VuFind/src/VuFind/Controller/UpgradeController.php
index cb23f38c020d35ddee76874cb8e2233e3a91c934..13c0b96da11ff3546497b6aca2b05bd346b7f2f8 100644
--- a/module/VuFind/src/VuFind/Controller/UpgradeController.php
+++ b/module/VuFind/src/VuFind/Controller/UpgradeController.php
@@ -2,7 +2,7 @@
 /**
  * Upgrade Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Controller/UpgradeControllerFactory.php b/module/VuFind/src/VuFind/Controller/UpgradeControllerFactory.php
index 948a70292b893518f2bef875a996c394fe6ab03d..91ee8f310f52c6f99cb177ca74c9dd373ccd3865 100644
--- a/module/VuFind/src/VuFind/Controller/UpgradeControllerFactory.php
+++ b/module/VuFind/src/VuFind/Controller/UpgradeControllerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Upgrade controller factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Controller/WebController.php b/module/VuFind/src/VuFind/Controller/WebController.php
index af645d7be399c7f6318e60ed22cf18436024512f..16d92cea09c4e10b902f9216a4df125e704062d3 100644
--- a/module/VuFind/src/VuFind/Controller/WebController.php
+++ b/module/VuFind/src/VuFind/Controller/WebController.php
@@ -2,7 +2,7 @@
 /**
  * Web Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Widget/Solr/FacetInterface.php b/module/VuFind/src/VuFind/Controller/Widget/Solr/FacetInterface.php
index 00d838fc8f0b290c18b5d0e5a0227e6e6c2647e2..3e69399743bd3c8b0761df727979f6991a1d3d6e 100644
--- a/module/VuFind/src/VuFind/Controller/Widget/Solr/FacetInterface.php
+++ b/module/VuFind/src/VuFind/Controller/Widget/Solr/FacetInterface.php
@@ -3,7 +3,7 @@
 /**
  * SOLR facet widget interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/Widget/WidgetInterface.php b/module/VuFind/src/VuFind/Controller/Widget/WidgetInterface.php
index 37c86406052590425503748fee40ca0500df58b3..0cf28d6e1fe76efc97bc5224df6c699d079fd307 100644
--- a/module/VuFind/src/VuFind/Controller/Widget/WidgetInterface.php
+++ b/module/VuFind/src/VuFind/Controller/Widget/WidgetInterface.php
@@ -3,7 +3,7 @@
 /**
  * Widget interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/WorldcatController.php b/module/VuFind/src/VuFind/Controller/WorldcatController.php
index c99eb0ced0eaec0f15b63b0f3bd7517131d26a7c..ce46bdfe9f6c85fd3ff39d25fd649e905274178e 100644
--- a/module/VuFind/src/VuFind/Controller/WorldcatController.php
+++ b/module/VuFind/src/VuFind/Controller/WorldcatController.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Controller/WorldcatrecordController.php b/module/VuFind/src/VuFind/Controller/WorldcatrecordController.php
index b0bb9556170d4f604ef8fea999f973952f98aa93..99898d3d1a78107f8735d1caa186840c682603d5 100644
--- a/module/VuFind/src/VuFind/Controller/WorldcatrecordController.php
+++ b/module/VuFind/src/VuFind/Controller/WorldcatrecordController.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Record Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Cookie/Container.php b/module/VuFind/src/VuFind/Cookie/Container.php
index 5de312f2a63a077cf14123c49252d4f4030cd39b..2b5014e8513bdbc1af63e9ca2d51b4de41ea697e 100644
--- a/module/VuFind/src/VuFind/Cookie/Container.php
+++ b/module/VuFind/src/VuFind/Cookie/Container.php
@@ -3,7 +3,7 @@
  * Class for treating a set of cookies as an object (inspired by
  * \Zend\Session\Container).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2012.
  *
diff --git a/module/VuFind/src/VuFind/Cookie/CookieManager.php b/module/VuFind/src/VuFind/Cookie/CookieManager.php
index 66d95e0c99ea2ba659514a16f02cfb048d3fae04..7bdd0ea6ddb89fd401b450f3ebed1b5b1f59e330 100644
--- a/module/VuFind/src/VuFind/Cookie/CookieManager.php
+++ b/module/VuFind/src/VuFind/Cookie/CookieManager.php
@@ -2,7 +2,7 @@
 /**
  * Cookie Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Cookie/CookieManagerFactory.php b/module/VuFind/src/VuFind/Cookie/CookieManagerFactory.php
index 667f9a408c924e73cf7c524064c9139606670818..5b84634381439d8527c1ebd6a195807826526a7b 100644
--- a/module/VuFind/src/VuFind/Cookie/CookieManagerFactory.php
+++ b/module/VuFind/src/VuFind/Cookie/CookieManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Cookie Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Cover/CachingProxy.php b/module/VuFind/src/VuFind/Cover/CachingProxy.php
index 3279782205e0122072680cc3c40a3a033546a36d..403b55dd0768014dc7ff02f9ae9ee952bb2cdc54 100644
--- a/module/VuFind/src/VuFind/Cover/CachingProxy.php
+++ b/module/VuFind/src/VuFind/Cover/CachingProxy.php
@@ -2,7 +2,7 @@
 /**
  * Caching Proxy for Cover Images
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Cover/Generator.php b/module/VuFind/src/VuFind/Cover/Generator.php
index 507779c3dfe31d427bf2ef6d4fd17f4d780f94a7..b3b69afbff0103c4e6c4e31fb200b452c806f6b2 100644
--- a/module/VuFind/src/VuFind/Cover/Generator.php
+++ b/module/VuFind/src/VuFind/Cover/Generator.php
@@ -2,7 +2,7 @@
 /**
  * Dynamic Book Cover Generator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Cover/Loader.php b/module/VuFind/src/VuFind/Cover/Loader.php
index fe312fc97dd62bff11346cd67b47dd3a60847f08..5aa367a42494a2dd9d58aa06d9d0911ecd1522ee 100644
--- a/module/VuFind/src/VuFind/Cover/Loader.php
+++ b/module/VuFind/src/VuFind/Cover/Loader.php
@@ -2,7 +2,7 @@
 /**
  * Book Cover Generator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Cover/Router.php b/module/VuFind/src/VuFind/Cover/Router.php
index ed1df575ba0da521a63a0b810616f48114a80173..fcb53a3cb9b61ae9653569a020fa9d9da7805ba1 100644
--- a/module/VuFind/src/VuFind/Cover/Router.php
+++ b/module/VuFind/src/VuFind/Cover/Router.php
@@ -2,7 +2,7 @@
 /**
  * Cover image router
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Cover/RouterFactory.php b/module/VuFind/src/VuFind/Cover/RouterFactory.php
index b4112c4b31067e6648346c3f2f652e79e669b68b..53d9d8351cc006dfe3dcc307d105f4279dd4d831 100644
--- a/module/VuFind/src/VuFind/Cover/RouterFactory.php
+++ b/module/VuFind/src/VuFind/Cover/RouterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Cover router factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Crypt/HMAC.php b/module/VuFind/src/VuFind/Crypt/HMAC.php
index cd8b140c920e07defae15df01aae6d2d08ad3b22..fc9878684983079ff899a87cfa817096b2c6ed9b 100644
--- a/module/VuFind/src/VuFind/Crypt/HMAC.php
+++ b/module/VuFind/src/VuFind/Crypt/HMAC.php
@@ -2,7 +2,7 @@
 /**
  * HMAC hash generator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Crypt/HMACFactory.php b/module/VuFind/src/VuFind/Crypt/HMACFactory.php
index d05f9bfde73902fbe672f2b02c2c899212aa0d34..f645ebb9d8934fa49afde3e70c7d0d995a564d1f 100644
--- a/module/VuFind/src/VuFind/Crypt/HMACFactory.php
+++ b/module/VuFind/src/VuFind/Crypt/HMACFactory.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Date/Converter.php b/module/VuFind/src/VuFind/Date/Converter.php
index 66008ce9f90d8bfb630ce2539f267393c9a79bfb..d7b1e0300f5769f8eb980dadeff23f86d884302d 100644
--- a/module/VuFind/src/VuFind/Date/Converter.php
+++ b/module/VuFind/src/VuFind/Date/Converter.php
@@ -2,7 +2,7 @@
 /**
  * Date/time conversion functionality.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Db/AdapterFactory.php b/module/VuFind/src/VuFind/Db/AdapterFactory.php
index da64a9119dd7ca68ba8e6c364d009c51c82cbcb5..71f74665ced916c7f2d1616464327df58a4a91dd 100644
--- a/module/VuFind/src/VuFind/Db/AdapterFactory.php
+++ b/module/VuFind/src/VuFind/Db/AdapterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Database utility class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/ChangeTracker.php b/module/VuFind/src/VuFind/Db/Row/ChangeTracker.php
index 4bcc1e1898ab6ccbc9a9e764682740bbaa1af26c..06d08874197b9bfc34bbdacebc42ba68750bfb71 100644
--- a/module/VuFind/src/VuFind/Db/Row/ChangeTracker.php
+++ b/module/VuFind/src/VuFind/Db/Row/ChangeTracker.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for change_tracker
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Comments.php b/module/VuFind/src/VuFind/Db/Row/Comments.php
index 97ebc8055951b2723abb904ecfd75e634b6f165b..fb21cfc7f7d9443edecf56bc7d0eb0c6dd4203a3 100644
--- a/module/VuFind/src/VuFind/Db/Row/Comments.php
+++ b/module/VuFind/src/VuFind/Db/Row/Comments.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for comments
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/ExternalSession.php b/module/VuFind/src/VuFind/Db/Row/ExternalSession.php
index 07452cfbe24f525d9c3ea98749c11a4be7421760..41cf4e613e2b7fed7288caeb7c9c5010547860b6 100644
--- a/module/VuFind/src/VuFind/Db/Row/ExternalSession.php
+++ b/module/VuFind/src/VuFind/Db/Row/ExternalSession.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for external_session
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyrught (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Db/Row/OaiResumption.php b/module/VuFind/src/VuFind/Db/Row/OaiResumption.php
index 7fac85d9ece6c8a643a2e5b25e4619ad79043b9f..95513e51607a7f5e8760aa02b21e4d7775c3381e 100644
--- a/module/VuFind/src/VuFind/Db/Row/OaiResumption.php
+++ b/module/VuFind/src/VuFind/Db/Row/OaiResumption.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for oai_resumption
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/PluginManager.php b/module/VuFind/src/VuFind/Db/Row/PluginManager.php
index 3fb8013643f4de32626685872e98dcf99dc829e4..c5cc9009a52fdba72a5be7ee5356c386130f0611 100644
--- a/module/VuFind/src/VuFind/Db/Row/PluginManager.php
+++ b/module/VuFind/src/VuFind/Db/Row/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Database row plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/PrivateUser.php b/module/VuFind/src/VuFind/Db/Row/PrivateUser.php
index 9c2a634b38f94e5c0c789fe7cdec5583a26b490a..6fe181ff19914291586e39c8289b1ee2f13f940e 100644
--- a/module/VuFind/src/VuFind/Db/Row/PrivateUser.php
+++ b/module/VuFind/src/VuFind/Db/Row/PrivateUser.php
@@ -2,7 +2,7 @@
 /**
  * Fake database row to represent a user in privacy mode.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Record.php b/module/VuFind/src/VuFind/Db/Row/Record.php
index a4b91fde65a1cfd804fb100ad307dc1af0604431..813723a60fcc44f6afd502382a2b6103593a5a28 100644
--- a/module/VuFind/src/VuFind/Db/Row/Record.php
+++ b/module/VuFind/src/VuFind/Db/Row/Record.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for record
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Resource.php b/module/VuFind/src/VuFind/Db/Row/Resource.php
index 5fe50728d3c872474c41da1c735b1dd718c13c73..f15d2ca4da8aadc89b444106c1eff5a2d77fd0b5 100644
--- a/module/VuFind/src/VuFind/Db/Row/Resource.php
+++ b/module/VuFind/src/VuFind/Db/Row/Resource.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for resource
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/ResourceTags.php b/module/VuFind/src/VuFind/Db/Row/ResourceTags.php
index c0693cb47a9c3f79ea82c7b73688df03cbb44667..8e7599ec43b5e3269f8cd551dc298d3f6a71875d 100644
--- a/module/VuFind/src/VuFind/Db/Row/ResourceTags.php
+++ b/module/VuFind/src/VuFind/Db/Row/ResourceTags.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for resource_tags
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/RowGateway.php b/module/VuFind/src/VuFind/Db/Row/RowGateway.php
index dc66a6a24b7ac8960ba73e649e94af92bb33fcab..5dfb63b3d92c12754e2147409b10ebc73083ef39 100644
--- a/module/VuFind/src/VuFind/Db/Row/RowGateway.php
+++ b/module/VuFind/src/VuFind/Db/Row/RowGateway.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base class for DB rows.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/RowGatewayFactory.php b/module/VuFind/src/VuFind/Db/Row/RowGatewayFactory.php
index ab65b79ab78c0133e84a64c7321b109853d335c2..6cbff5b00bc80851226d6f65c57205f8dbcb97be 100644
--- a/module/VuFind/src/VuFind/Db/Row/RowGatewayFactory.php
+++ b/module/VuFind/src/VuFind/Db/Row/RowGatewayFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic row gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Search.php b/module/VuFind/src/VuFind/Db/Row/Search.php
index 51c43a4c0bcd9ed88da1f1920c5844bd5fdc1f65..f349b7ffad63864018898fc603e2f4a0dc42d72e 100644
--- a/module/VuFind/src/VuFind/Db/Row/Search.php
+++ b/module/VuFind/src/VuFind/Db/Row/Search.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for search
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Session.php b/module/VuFind/src/VuFind/Db/Row/Session.php
index 1fb9a4c39bc1c40a884c993eb0a8991d333ec466..6fac690f2f985d619bf313be52cdd40369c2ebb1 100644
--- a/module/VuFind/src/VuFind/Db/Row/Session.php
+++ b/module/VuFind/src/VuFind/Db/Row/Session.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for session
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/Tags.php b/module/VuFind/src/VuFind/Db/Row/Tags.php
index 1b9d7a399d2defd194fd5ede71c37993d2c1726d..34151fc9e912dfa9826fc85bcd27fa15220b21d2 100644
--- a/module/VuFind/src/VuFind/Db/Row/Tags.php
+++ b/module/VuFind/src/VuFind/Db/Row/Tags.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for tags
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/User.php b/module/VuFind/src/VuFind/Db/Row/User.php
index 941eb0d12e18aeb1886dba1e3e3e15fac9025348..1f46d523885064414a9045b87633eb346faea7cf 100644
--- a/module/VuFind/src/VuFind/Db/Row/User.php
+++ b/module/VuFind/src/VuFind/Db/Row/User.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for user
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/UserCard.php b/module/VuFind/src/VuFind/Db/Row/UserCard.php
index 56c4daff2afaa378676b407ffcc2013a6d6a4f5e..bbdff2cfeb2ccc865712b9e622ca9e94d17ddb5e 100644
--- a/module/VuFind/src/VuFind/Db/Row/UserCard.php
+++ b/module/VuFind/src/VuFind/Db/Row/UserCard.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for user_card
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/UserFactory.php b/module/VuFind/src/VuFind/Db/Row/UserFactory.php
index 33eb5e9266850e22ebe162d3f7e732e6afe1955d..eb74dcd025e4f1e29d2bf5c5a5d276b01a456004 100644
--- a/module/VuFind/src/VuFind/Db/Row/UserFactory.php
+++ b/module/VuFind/src/VuFind/Db/Row/UserFactory.php
@@ -2,7 +2,7 @@
 /**
  * User row gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/UserList.php b/module/VuFind/src/VuFind/Db/Row/UserList.php
index e397184d755af79597e630d9a9c0056695e6adc2..0f94a88f19ba42773f59a1bd3f2815f6453f7b08 100644
--- a/module/VuFind/src/VuFind/Db/Row/UserList.php
+++ b/module/VuFind/src/VuFind/Db/Row/UserList.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for user_list
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/UserListFactory.php b/module/VuFind/src/VuFind/Db/Row/UserListFactory.php
index 3ea095d64812723e1db0dc5b5196a3e839d1510c..d0a8c1f2fd529043e550720e007b94314c0f4412 100644
--- a/module/VuFind/src/VuFind/Db/Row/UserListFactory.php
+++ b/module/VuFind/src/VuFind/Db/Row/UserListFactory.php
@@ -2,7 +2,7 @@
 /**
  * UserList row gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Db/Row/UserResource.php b/module/VuFind/src/VuFind/Db/Row/UserResource.php
index 03546b0d44b31e554370d83aaa7a124d5e39c1e9..0a2916a1a448856bce576c970ab40e83e31476a9 100644
--- a/module/VuFind/src/VuFind/Db/Row/UserResource.php
+++ b/module/VuFind/src/VuFind/Db/Row/UserResource.php
@@ -2,7 +2,7 @@
 /**
  * Row Definition for user_resource
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/CaseSensitiveTagsFactory.php b/module/VuFind/src/VuFind/Db/Table/CaseSensitiveTagsFactory.php
index cf319777f09727b6422be78b5b75533854d1d526..8c3e790d6fbb56eaa74fb9cc4afbdeeef42aadb7 100644
--- a/module/VuFind/src/VuFind/Db/Table/CaseSensitiveTagsFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/CaseSensitiveTagsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Shared Tags / ResourceTags table gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/ChangeTracker.php b/module/VuFind/src/VuFind/Db/Table/ChangeTracker.php
index cb2c3ea9c2397525a564c78830bf92093c8db696..c7b3e225cd34ba94d4d3007e9013cda9cbb61014 100644
--- a/module/VuFind/src/VuFind/Db/Table/ChangeTracker.php
+++ b/module/VuFind/src/VuFind/Db/Table/ChangeTracker.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for change_tracker
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/Comments.php b/module/VuFind/src/VuFind/Db/Table/Comments.php
index bcd0a22721a29c4171bf864c25792b2edabfa415..1bef8a087434b536d8f50c95fb4eb65ec7f36bfc 100644
--- a/module/VuFind/src/VuFind/Db/Table/Comments.php
+++ b/module/VuFind/src/VuFind/Db/Table/Comments.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for comments
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2012.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/DbTableAwareInterface.php b/module/VuFind/src/VuFind/Db/Table/DbTableAwareInterface.php
index 098e0af852aead2d07fb9ceffd3b0fd372e8785b..4941c49cea03e9e33411db917534b965140cdbaf 100644
--- a/module/VuFind/src/VuFind/Db/Table/DbTableAwareInterface.php
+++ b/module/VuFind/src/VuFind/Db/Table/DbTableAwareInterface.php
@@ -2,7 +2,7 @@
 /**
  * Marker interface for classes that depend on the \VuFind\Db\Table\PluginManager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/DbTableAwareTrait.php b/module/VuFind/src/VuFind/Db/Table/DbTableAwareTrait.php
index 14e9d1f5d17024267fabf83d073a97d912b50502..b8f8ee5cb1025d77b2fa402eee5c5fac2af8dad4 100644
--- a/module/VuFind/src/VuFind/Db/Table/DbTableAwareTrait.php
+++ b/module/VuFind/src/VuFind/Db/Table/DbTableAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * Default implementation of DbTableAwareInterface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/ExpirationTrait.php b/module/VuFind/src/VuFind/Db/Table/ExpirationTrait.php
index 41c685ebadbee290ab219a2e6a3891e73d4cf8be..45d6d38c4687f434ef50feb4a241b663c8e6bc7f 100644
--- a/module/VuFind/src/VuFind/Db/Table/ExpirationTrait.php
+++ b/module/VuFind/src/VuFind/Db/Table/ExpirationTrait.php
@@ -2,7 +2,7 @@
 /**
  * Trait for tables that support expiration
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Db/Table/ExternalSession.php b/module/VuFind/src/VuFind/Db/Table/ExternalSession.php
index d2da649054ccb9ba77bb96021c06e826b556c46f..74ad485f677578d070f5520a46d6f7984420ab9a 100644
--- a/module/VuFind/src/VuFind/Db/Table/ExternalSession.php
+++ b/module/VuFind/src/VuFind/Db/Table/ExternalSession.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for external_session
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Db/Table/Gateway.php b/module/VuFind/src/VuFind/Db/Table/Gateway.php
index 252aae0970a5d73b6d14147cfe9f6325793bc92d..402327cf7185ea47361cbd50e7c9983b44bb1614 100644
--- a/module/VuFind/src/VuFind/Db/Table/Gateway.php
+++ b/module/VuFind/src/VuFind/Db/Table/Gateway.php
@@ -2,7 +2,7 @@
 /**
  * Generic VuFind table gateway.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/GatewayFactory.php b/module/VuFind/src/VuFind/Db/Table/GatewayFactory.php
index d4d218739eba4fc62a266a295a622a6c7889d6c6..1f124b44efe06b52eaeda0a52ae3fcbed0e3bd26 100644
--- a/module/VuFind/src/VuFind/Db/Table/GatewayFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/GatewayFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic table gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/OaiResumption.php b/module/VuFind/src/VuFind/Db/Table/OaiResumption.php
index c7c553aab2139ace195a6acc3827f4e4e02cb20b..e8a962a73629e5d7aa3c3026e52d23bbb2396c80 100644
--- a/module/VuFind/src/VuFind/Db/Table/OaiResumption.php
+++ b/module/VuFind/src/VuFind/Db/Table/OaiResumption.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for oai_resumption
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/PluginFactory.php b/module/VuFind/src/VuFind/Db/Table/PluginFactory.php
index ad2484f4969a3910a6935c8ed10c60b76d683295..d9b4f0a65fc8a5c7a69486ef0e476ed4d62718f0 100644
--- a/module/VuFind/src/VuFind/Db/Table/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Database table plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/PluginManager.php b/module/VuFind/src/VuFind/Db/Table/PluginManager.php
index fc9564254064272c5f0aaf03f503cb9c62685a5b..f753d55d43dc9744c5ad0f35bc5570a3f00a325c 100644
--- a/module/VuFind/src/VuFind/Db/Table/PluginManager.php
+++ b/module/VuFind/src/VuFind/Db/Table/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Database table plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/Record.php b/module/VuFind/src/VuFind/Db/Table/Record.php
index ee06382137b99b297ccbbe92bde12a6192f92cbd..67f91cd0885b7ee28102ee2d5d9d7b9d465be247 100644
--- a/module/VuFind/src/VuFind/Db/Table/Record.php
+++ b/module/VuFind/src/VuFind/Db/Table/Record.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for record
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) University of Freiburg 2014.
diff --git a/module/VuFind/src/VuFind/Db/Table/Resource.php b/module/VuFind/src/VuFind/Db/Table/Resource.php
index cc5a92f003af3256eea9e7604807728fa15dd8b5..4fe1921e2568360d68aa59368f696ae8c845bb6d 100644
--- a/module/VuFind/src/VuFind/Db/Table/Resource.php
+++ b/module/VuFind/src/VuFind/Db/Table/Resource.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for resource
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/ResourceFactory.php b/module/VuFind/src/VuFind/Db/Table/ResourceFactory.php
index 4e1237fa1a0a0b9df345ad1303d4307c1398301f..02e7c52f4c69fa28d9e3fd2bc46ca0f7711a273b 100644
--- a/module/VuFind/src/VuFind/Db/Table/ResourceFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/ResourceFactory.php
@@ -2,7 +2,7 @@
 /**
  * Resource table gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/ResourceTags.php b/module/VuFind/src/VuFind/Db/Table/ResourceTags.php
index 92f732bdf0c5756eabcc4ff3304208f015dd682e..6dfe17c2b1b17a9b08c198551de0ab1c0628f12f 100644
--- a/module/VuFind/src/VuFind/Db/Table/ResourceTags.php
+++ b/module/VuFind/src/VuFind/Db/Table/ResourceTags.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for resource_tags
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/Search.php b/module/VuFind/src/VuFind/Db/Table/Search.php
index d534b5679ea4522f782bc17225033b21b7676475..bfa6ed443c0baa7b087c8d8e63de2e4a88362087 100644
--- a/module/VuFind/src/VuFind/Db/Table/Search.php
+++ b/module/VuFind/src/VuFind/Db/Table/Search.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for search
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016-2017.
diff --git a/module/VuFind/src/VuFind/Db/Table/Session.php b/module/VuFind/src/VuFind/Db/Table/Session.php
index 063ac68b80b3bbcdead792d02c72a94e969304c5..73973e37da582f2245a6725e5a98727f445a915e 100644
--- a/module/VuFind/src/VuFind/Db/Table/Session.php
+++ b/module/VuFind/src/VuFind/Db/Table/Session.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for session
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFind/src/VuFind/Db/Table/Tags.php b/module/VuFind/src/VuFind/Db/Table/Tags.php
index 1e033d678d2bea6dfc34706a8311127ff5be2593..6512d925eefba92cab4562c4143bed60e29085b2 100644
--- a/module/VuFind/src/VuFind/Db/Table/Tags.php
+++ b/module/VuFind/src/VuFind/Db/Table/Tags.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for tags
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/User.php b/module/VuFind/src/VuFind/Db/Table/User.php
index e3b1d8d1ed2246a9d0b1fca10aa27c0add7235a2..17fb1a3c6114d7fd1d0ce5841c56c7ff47e06f97 100644
--- a/module/VuFind/src/VuFind/Db/Table/User.php
+++ b/module/VuFind/src/VuFind/Db/Table/User.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for user
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/UserCard.php b/module/VuFind/src/VuFind/Db/Table/UserCard.php
index 63e8f6bce4c320e70f52ea81d6cce7298c019ba4..ac157baaf34e47418850d3783b7d0c8599cd5e0d 100644
--- a/module/VuFind/src/VuFind/Db/Table/UserCard.php
+++ b/module/VuFind/src/VuFind/Db/Table/UserCard.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for user_card
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/UserFactory.php b/module/VuFind/src/VuFind/Db/Table/UserFactory.php
index f763aff01f57d41ccefd900dc26da141ea01aa92..4cbe25991cab9b5409df449ad27c30ecf9d904b4 100644
--- a/module/VuFind/src/VuFind/Db/Table/UserFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/UserFactory.php
@@ -2,7 +2,7 @@
 /**
  * User table gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/UserList.php b/module/VuFind/src/VuFind/Db/Table/UserList.php
index 0bfd743326bb1019f2db9694be2dab2b4a5ea2cb..882bb4a893af709c2a56fdf65f7d2d204bb43018 100644
--- a/module/VuFind/src/VuFind/Db/Table/UserList.php
+++ b/module/VuFind/src/VuFind/Db/Table/UserList.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for user_list
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/UserListFactory.php b/module/VuFind/src/VuFind/Db/Table/UserListFactory.php
index b7409d013ffb25687c821a4359084fa69ed36f2c..5fea27b4880b5e84192dc7d410ec4c390c51de9d 100644
--- a/module/VuFind/src/VuFind/Db/Table/UserListFactory.php
+++ b/module/VuFind/src/VuFind/Db/Table/UserListFactory.php
@@ -2,7 +2,7 @@
 /**
  * UserList table gateway factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Db/Table/UserResource.php b/module/VuFind/src/VuFind/Db/Table/UserResource.php
index ed1ac007324065ba553565cea723dd14a740e6f2..ce1ef8a8cb2d724b60677f509e47bd9a69d6c9f5 100644
--- a/module/VuFind/src/VuFind/Db/Table/UserResource.php
+++ b/module/VuFind/src/VuFind/Db/Table/UserResource.php
@@ -2,7 +2,7 @@
 /**
  * Table Definition for user_resource
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Exception/Auth.php b/module/VuFind/src/VuFind/Exception/Auth.php
index 6c55a69edba5eabe035dcff0346ac60bf9546627..509ee6dcd78c6125366cab5292f3ab3ba23dbfe3 100644
--- a/module/VuFind/src/VuFind/Exception/Auth.php
+++ b/module/VuFind/src/VuFind/Exception/Auth.php
@@ -2,7 +2,7 @@
 /**
  * Authentication Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/BadRequest.php b/module/VuFind/src/VuFind/Exception/BadRequest.php
index defff0e7c15bf7a85a911e50485a781c037e177c..31c4d08847a645a2c93a93f71d6ed75ddb0679f6 100644
--- a/module/VuFind/src/VuFind/Exception/BadRequest.php
+++ b/module/VuFind/src/VuFind/Exception/BadRequest.php
@@ -2,7 +2,7 @@
 /**
  * "Bad Request" Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Exception/Date.php b/module/VuFind/src/VuFind/Exception/Date.php
index a7315f109fc037f477689356cd4fbe0c7a733cf3..f77635013858101d2915f58b41bf14cd19579db7 100644
--- a/module/VuFind/src/VuFind/Exception/Date.php
+++ b/module/VuFind/src/VuFind/Exception/Date.php
@@ -2,7 +2,7 @@
 /**
  * Date Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/FileAccess.php b/module/VuFind/src/VuFind/Exception/FileAccess.php
index 3802a74cfd82f6faac87dc1eea6c40532b0f9b1a..3a24ae7f1b2cd6285e32d9101e81fe90b06dd95c 100644
--- a/module/VuFind/src/VuFind/Exception/FileAccess.php
+++ b/module/VuFind/src/VuFind/Exception/FileAccess.php
@@ -2,7 +2,7 @@
 /**
  * File Access Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/Forbidden.php b/module/VuFind/src/VuFind/Exception/Forbidden.php
index 42245d3777b427e2a762025ad420d87ba20bbe28..18cf684a1d8d7443aa9d58afde6b1a4b56fb1ce3 100644
--- a/module/VuFind/src/VuFind/Exception/Forbidden.php
+++ b/module/VuFind/src/VuFind/Exception/Forbidden.php
@@ -2,7 +2,7 @@
 /**
  * "Forbidden Access" Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/HttpStatusInterface.php b/module/VuFind/src/VuFind/Exception/HttpStatusInterface.php
index 821d7d16769256df5a9540cd4d5a0e546eaabeca..6bc451823ece944f5f71d53673d99513b654fd6e 100644
--- a/module/VuFind/src/VuFind/Exception/HttpStatusInterface.php
+++ b/module/VuFind/src/VuFind/Exception/HttpStatusInterface.php
@@ -3,7 +3,7 @@
  * Interface for exceptions that should trigger specific HTTP status codes
  * when unhandled.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/ILS.php b/module/VuFind/src/VuFind/Exception/ILS.php
index 84393627782ece565057e91cf63048406a1d6728..93470180126745fdcf4544372068b423f90a4527 100644
--- a/module/VuFind/src/VuFind/Exception/ILS.php
+++ b/module/VuFind/src/VuFind/Exception/ILS.php
@@ -2,7 +2,7 @@
 /**
  * ILS Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/LibraryCard.php b/module/VuFind/src/VuFind/Exception/LibraryCard.php
index f0d7bbf22f0376ba30b558478176b21d8a87e25e..8070ee04d4b1192c50cfe42dde3d5ddc250b4d7c 100644
--- a/module/VuFind/src/VuFind/Exception/LibraryCard.php
+++ b/module/VuFind/src/VuFind/Exception/LibraryCard.php
@@ -2,7 +2,7 @@
 /**
  * Library Card Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/Exception/ListPermission.php b/module/VuFind/src/VuFind/Exception/ListPermission.php
index b84168341d146bc34d83a7b02a5f491373fbf742..5c9ac523f68d891a74712dd81fdd529d465d4c5e 100644
--- a/module/VuFind/src/VuFind/Exception/ListPermission.php
+++ b/module/VuFind/src/VuFind/Exception/ListPermission.php
@@ -2,7 +2,7 @@
 /**
  * List Permission Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/LoginRequired.php b/module/VuFind/src/VuFind/Exception/LoginRequired.php
index 59e5ca594f1059b70f81099c2f9346599242d5a1..1319c9889f5952f722785d2972ff40bff8b95d1e 100644
--- a/module/VuFind/src/VuFind/Exception/LoginRequired.php
+++ b/module/VuFind/src/VuFind/Exception/LoginRequired.php
@@ -2,7 +2,7 @@
 /**
  * Login Required Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/Mail.php b/module/VuFind/src/VuFind/Exception/Mail.php
index 727cc037fda3380cda0dc0e782608253d9779da9..2c2141abf8ac97bb04af562793006a8305e217de 100644
--- a/module/VuFind/src/VuFind/Exception/Mail.php
+++ b/module/VuFind/src/VuFind/Exception/Mail.php
@@ -2,7 +2,7 @@
 /**
  * Mail Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/MissingField.php b/module/VuFind/src/VuFind/Exception/MissingField.php
index cd9e532591c2a8e373c4e50c9ba172a1bd02c2a7..8a431130555343e5d7638b11d3b9f050088a7709 100644
--- a/module/VuFind/src/VuFind/Exception/MissingField.php
+++ b/module/VuFind/src/VuFind/Exception/MissingField.php
@@ -2,7 +2,7 @@
 /**
  * Missing Field Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/PasswordSecurity.php b/module/VuFind/src/VuFind/Exception/PasswordSecurity.php
index 198404a3adbff0925309162d4c9eea23d47239f9..ad563b29d45cf0f2568f015242ea45f49f941e97 100644
--- a/module/VuFind/src/VuFind/Exception/PasswordSecurity.php
+++ b/module/VuFind/src/VuFind/Exception/PasswordSecurity.php
@@ -2,7 +2,7 @@
 /**
  * Password Security Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/RecordMissing.php b/module/VuFind/src/VuFind/Exception/RecordMissing.php
index 598312f32e14219c38eb06c39a035565f18be170..d3f31e1d3e61f4d68268540c2b1f597acd234d0e 100644
--- a/module/VuFind/src/VuFind/Exception/RecordMissing.php
+++ b/module/VuFind/src/VuFind/Exception/RecordMissing.php
@@ -2,7 +2,7 @@
 /**
  * Record Missing Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Exception/SessionExpired.php b/module/VuFind/src/VuFind/Exception/SessionExpired.php
index dee31eeb4675ae7bd1c486a23207e7b37df1cb2a..8294bfe3beca4e1d1dd42068defdc73f45034d99 100644
--- a/module/VuFind/src/VuFind/Exception/SessionExpired.php
+++ b/module/VuFind/src/VuFind/Exception/SessionExpired.php
@@ -2,7 +2,7 @@
 /**
  * Session Expired Exception
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Export.php b/module/VuFind/src/VuFind/Export.php
index dcf7d31c1e01ad8bae6edddf545975b85ab7b4ff..27966018627315e18d18c812ba527feb5ae63922 100644
--- a/module/VuFind/src/VuFind/Export.php
+++ b/module/VuFind/src/VuFind/Export.php
@@ -2,7 +2,7 @@
 /**
  * Export support class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ExportFactory.php b/module/VuFind/src/VuFind/ExportFactory.php
index c32378338ad4beff88410f47a045f853f28778a5..fdbfbe68b0bab999753866a2dbe9473ae0818618 100644
--- a/module/VuFind/src/VuFind/ExportFactory.php
+++ b/module/VuFind/src/VuFind/ExportFactory.php
@@ -2,7 +2,7 @@
 /**
  * Export factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Favorites/FavoritesService.php b/module/VuFind/src/VuFind/Favorites/FavoritesService.php
index 80ef8500205f317e2627fba624b1707507c4f7c8..2217326a52a4a09df0740dd8e6d22c56cb9d9e36 100644
--- a/module/VuFind/src/VuFind/Favorites/FavoritesService.php
+++ b/module/VuFind/src/VuFind/Favorites/FavoritesService.php
@@ -2,7 +2,7 @@
 /**
  * Favorites service
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Favorites/FavoritesServiceFactory.php b/module/VuFind/src/VuFind/Favorites/FavoritesServiceFactory.php
index 73b26677dd1346016b9821a3b37f8c0900b457e2..8ef1bf9226d5d70d91117ba14c8deb210092ded3 100644
--- a/module/VuFind/src/VuFind/Favorites/FavoritesServiceFactory.php
+++ b/module/VuFind/src/VuFind/Favorites/FavoritesServiceFactory.php
@@ -2,7 +2,7 @@
 /**
  * Favorites service factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Entry.php b/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Entry.php
index f5a21ff309e890832fb4d5e9eb60ad23f0cbe983..9791ec625a977d4bff6e94ac583b1bf386becc56 100644
--- a/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Entry.php
+++ b/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Entry.php
@@ -2,7 +2,7 @@
 /**
  * Zend\Feed\Entry extension for Dublin Core
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Renderer/Entry.php b/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Renderer/Entry.php
index b4fb99bb19a6e52bf6edaab137a349fc76420971..94a4b907b124fbea752d1a5c3c66cd45ae0d9608 100644
--- a/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Renderer/Entry.php
+++ b/module/VuFind/src/VuFind/Feed/Writer/Extension/DublinCore/Renderer/Entry.php
@@ -2,7 +2,7 @@
 /**
  * Zend\Feed\Renderer\Entry extension for Dublin Core
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Feed.php b/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Feed.php
index e277d54fbd9e6bc877edb2fabf4982be6a4f4b27..6d5180d80063380e1ebd329e851b8159887aa8ea 100644
--- a/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Feed.php
+++ b/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Feed.php
@@ -2,7 +2,7 @@
 /**
  * Zend\Feed\Feed extension for Open Search
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Deutsches Archäologisches Institut 2015.
  *
diff --git a/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Renderer/Feed.php b/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Renderer/Feed.php
index f4aba28bd107d0f71b625c2aeaa2c750651e41f0..5cdd58b44b02913234d7da6a86e2162112dbf116 100644
--- a/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Renderer/Feed.php
+++ b/module/VuFind/src/VuFind/Feed/Writer/Extension/OpenSearch/Renderer/Feed.php
@@ -2,7 +2,7 @@
 /**
  * Zend\Feed\Renderer\Feed extension for Open Search
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Deutsches Archäologisches Institut 2015.
  *
diff --git a/module/VuFind/src/VuFind/GeoFeatures/BasemapConfig.php b/module/VuFind/src/VuFind/GeoFeatures/BasemapConfig.php
index 1c929dd045e001069833553f4425f21fc5f77f5b..eeb3698323bb1f949d8d1caaf01f0fcb62b19d97 100644
--- a/module/VuFind/src/VuFind/GeoFeatures/BasemapConfig.php
+++ b/module/VuFind/src/VuFind/GeoFeatures/BasemapConfig.php
@@ -2,7 +2,7 @@
 /**
  * Basemap Configuration Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/GeoFeatures/BasemapConfigFactory.php b/module/VuFind/src/VuFind/GeoFeatures/BasemapConfigFactory.php
index e0e3642189f93ddddea8170a4d38b59671628d2d..95fcd236023c7002dc45768a063c48d0b035403b 100644
--- a/module/VuFind/src/VuFind/GeoFeatures/BasemapConfigFactory.php
+++ b/module/VuFind/src/VuFind/GeoFeatures/BasemapConfigFactory.php
@@ -3,7 +3,7 @@
 /**
  * GeoFeatures Basemap Config Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/Driver/AbstractBase.php b/module/VuFind/src/VuFind/Hierarchy/Driver/AbstractBase.php
index 041e2674cb440fe71a0770ab87ea26893200217b..505bdef637fd6abe83925395a4ae249797fe75f1 100644
--- a/module/VuFind/src/VuFind/Hierarchy/Driver/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Hierarchy/Driver/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBased.php b/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBased.php
index 9aec7d2d15bbdb68eb7e27f6f45ea7c5dc9a801f..c891a691aed644b3ccab0a1fd7126f4d5455f75b 100644
--- a/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBased.php
+++ b/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBased.php
@@ -2,7 +2,7 @@
 /**
  * Configuration-Based Hierarchy Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBasedFactory.php b/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBasedFactory.php
index e6fc33f577f0dea63974487209cc045b78e0839b..e0a28567c6c0b63f5ff55ecd565bf4d2a64afae4 100644
--- a/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBasedFactory.php
+++ b/module/VuFind/src/VuFind/Hierarchy/Driver/ConfigurationBasedFactory.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Driver Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/Driver/PluginManager.php b/module/VuFind/src/VuFind/Hierarchy/Driver/PluginManager.php
index 41c23b3ff2db0c0995f925005c3742474419108c..ac4437f53ecabeeb40505fdde4918d6a25722c1a 100644
--- a/module/VuFind/src/VuFind/Hierarchy/Driver/PluginManager.php
+++ b/module/VuFind/src/VuFind/Hierarchy/Driver/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy driver plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/AbstractBase.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/AbstractBase.php
index 39a288f105b8b3e8828c835732f015b770f2e7a3..591fa9109772b6f79aaf65a27a55444c939c1548 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Formatter (abstract base)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Json.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Json.php
index 4d958d4e542e202887f89ab964003aa177aecba8..3a87cf1a06713ef9dd40f8a5b3cc4eb73e2b09ce 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Json.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Json.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Formatter (JSON)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/PluginManager.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/PluginManager.php
index 3c5f270c379ec3b313477bf09f128a159af4eff9..ccd65bdce601d7a119eb129f1a0faa13bba43ade 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/PluginManager.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy tree data formatter plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Xml.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Xml.php
index 7b345489e7a5e582abf390214fe5a335b1a83486..28869e215daf113aab9b5d47f146027e41949c85 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Xml.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataFormatter/Xml.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Formatter (XML)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/AbstractBase.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/AbstractBase.php
index 8036b03fcfce05865d7ff6dca7c7089afbeb9727..653275eb32d555eb5b643df37dd975dd45d80d36 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Source (abstract base)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/PluginManager.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/PluginManager.php
index 4bc0e39d15614166e679624ba3ae43c6621b2cf2..abafb511aa5e2c1b75c21b3efc9c54ef9230b802 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/PluginManager.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy tree data source plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/Solr.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/Solr.php
index 84d8a4a098455e002b126d69a7cb06f7ece1c06b..451fea283bbbb7c069101a0d6e27cdaa409f75bb 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/Solr.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/Solr.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Source (Solr)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/SolrFactory.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/SolrFactory.php
index 9e7b5736a5d6557ee2a1e65fceb4b3ccba4d1789..dd154c2d64ef277895339046e9222e50fb9d904a 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/SolrFactory.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/SolrFactory.php
@@ -2,7 +2,7 @@
 /**
  * Solr Hierarchy tree data source plugin factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/XMLFile.php b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/XMLFile.php
index 8c641d9d4710e9b25a8e81b64303a54343616fcb..612516bb4b228b1beb9d2b8748117f5e17479fa6 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/XMLFile.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeDataSource/XMLFile.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Source (XML File)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/AbstractBase.php b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/AbstractBase.php
index 18361597ab216003701cae3e056f122224d8b890..75a9e6986a934f3d654de8a9bc4c0a585c1969f0 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Renderer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTree.php b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTree.php
index 23d150b48ccd3d028ce31d35bf1542fbef58cd82..d51686756fbd59189963e2ef656c7705c26cf506 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTree.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTree.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Renderer for the JS_Tree plugin
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTreeFactory.php b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTreeFactory.php
index aee81eba699d95d0498661ee3d83c2a6a3f2248a..77f61d133bb924513698239a926877564d94b1aa 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTreeFactory.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/JSTreeFactory.php
@@ -2,7 +2,7 @@
 /**
  * JSTree hierarchy tree renderer plugin factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/PluginManager.php b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/PluginManager.php
index 4470811ec3c117013773d80a328d8e5c096b9dc5..f6a8fcb79fe3e07f64b87acd6211d9c45605eadf 100644
--- a/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/PluginManager.php
+++ b/module/VuFind/src/VuFind/Hierarchy/TreeRenderer/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy tree renderer plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/I18n/ExtendedIniNormalizer.php b/module/VuFind/src/VuFind/I18n/ExtendedIniNormalizer.php
index 88dab773658fdd6bee4525a09e7adeccf0cce481..e05427c2270e631e319709550cf79fed0a63bfba 100644
--- a/module/VuFind/src/VuFind/I18n/ExtendedIniNormalizer.php
+++ b/module/VuFind/src/VuFind/I18n/ExtendedIniNormalizer.php
@@ -2,7 +2,7 @@
 /**
  * Class to consistently format ExtendedIni language files.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/I18n/TranslatableString.php b/module/VuFind/src/VuFind/I18n/TranslatableString.php
index 51db34fa907d4a3c008425ec2d090091d1562de0..1c6ceca53ec8415a4880581efd40e3cbe34d8033 100644
--- a/module/VuFind/src/VuFind/I18n/TranslatableString.php
+++ b/module/VuFind/src/VuFind/I18n/TranslatableString.php
@@ -2,7 +2,7 @@
 /**
  * Class for translatable string with a special default translation.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/I18n/TranslatableStringInterface.php b/module/VuFind/src/VuFind/I18n/TranslatableStringInterface.php
index 9445e85f66f2418a5f728c41c8012cce0cac6e8b..53d60ab905bf1f2bd5e35cf320ccb89277f56274 100644
--- a/module/VuFind/src/VuFind/I18n/TranslatableStringInterface.php
+++ b/module/VuFind/src/VuFind/I18n/TranslatableStringInterface.php
@@ -2,7 +2,7 @@
 /**
  * Interface for translatable strings.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIni.php b/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIni.php
index 68528c29dfd0152f9121bb2e0f000859809a5012..6500db10dee56ac6cf3b522a0be902bcfb0fdd86 100644
--- a/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIni.php
+++ b/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIni.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Translate Adapter ExtendedIni
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIniReader.php b/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIniReader.php
index 28f515b1bf889c02117ccfdb1e37851369ebafb7..c3fbc4bc7728a0934483cad4009e8875f46a2b1c 100644
--- a/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIniReader.php
+++ b/module/VuFind/src/VuFind/I18n/Translator/Loader/ExtendedIniReader.php
@@ -2,7 +2,7 @@
 /**
  * Helper class to load .ini files from disk.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareInterface.php b/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareInterface.php
index 3f09e451da9cc8d8a25b4d1ce833a949d6387df0..0c60cd9398455633ec0dcded9d46f0c8822366e8 100644
--- a/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareInterface.php
+++ b/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareInterface.php
@@ -2,7 +2,7 @@
 /**
  * Lightweight translator aware marker interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareTrait.php b/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareTrait.php
index 52e7ed4a528559512f201d2856dd26970235ffa9..bc654ff435eeb9bb20e7516aec7902a5950752c0 100644
--- a/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareTrait.php
+++ b/module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * Lightweight translator aware marker interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Connection.php b/module/VuFind/src/VuFind/ILS/Connection.php
index 7f3a0b91fad8738f2442356fdffcb546b81c254a..a121275de8b1e5e1f8e47960d26c84e03c839042 100644
--- a/module/VuFind/src/VuFind/ILS/Connection.php
+++ b/module/VuFind/src/VuFind/ILS/Connection.php
@@ -5,7 +5,7 @@
  * This wrapper works with a driver class to pass information from the ILS to
  * VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/ConnectionFactory.php b/module/VuFind/src/VuFind/ILS/ConnectionFactory.php
index ab224b196b875798295cd2035f6f0077dcf771fd..e9a7f0f7e847972ef5884808848d0b173734f5f1 100644
--- a/module/VuFind/src/VuFind/ILS/ConnectionFactory.php
+++ b/module/VuFind/src/VuFind/ILS/ConnectionFactory.php
@@ -2,7 +2,7 @@
 /**
  * ILS connection factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/AbstractBase.php b/module/VuFind/src/VuFind/ILS/Driver/AbstractBase.php
index 460c3dcd6d8a71d6f80ccfa34051790121262061..0d91a4bd169d5e40c23b690fdef7423d33b6cac3 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/AbstractBase.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Default ILS driver base class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
index bc84ca594bf847a089977c9c823fd682293e81e2..d478a0465c6ddfe5cd59adfb6f577259a4fc6f48 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
@@ -2,7 +2,7 @@
 /**
  * Aleph ILS driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) UB/FU Berlin
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/AlephFactory.php b/module/VuFind/src/VuFind/ILS/Driver/AlephFactory.php
index 1ef6494a9179af17e286013c4a478bed5e206d95..a0a303d7be42b075aaae19b5390bdce5ae0aebc9 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/AlephFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/AlephFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Aleph ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Amicus.php b/module/VuFind/src/VuFind/ILS/Driver/Amicus.php
index 218f73ca9cb952c52d3475596c38c4338183c934..b7a6493843028399b760409dc558cd8bf2b6386b 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Amicus.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Amicus.php
@@ -2,7 +2,7 @@
 /**
  * Amicus ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Scanbit 2011.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/CacheTrait.php b/module/VuFind/src/VuFind/ILS/Driver/CacheTrait.php
index 8e297550522d351d7b5a32a9fbd754e4e180584c..df126460fa94be5af6590839d4f6b2f891d32f62 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/CacheTrait.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/CacheTrait.php
@@ -2,7 +2,7 @@
 /**
  * Trait for ILS drivers using cache.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/DAIA.php b/module/VuFind/src/VuFind/ILS/Driver/DAIA.php
index f312547053f9c036017a224011be724f225e1470..e18eea7a3429cc7fbd845ffc3f2b47d2b47c6675 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/DAIA.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/DAIA.php
@@ -5,7 +5,7 @@
  * Based on the proof-of-concept-driver by Till Kinstler, GBV.
  * Relaunch of the daia driver developed by Oliver Goldschmidt.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Jochen Lienhard 2014.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Demo.php b/module/VuFind/src/VuFind/ILS/Driver/Demo.php
index 87d83b204167c880ab34d7717a8d65ff00ddb5f7..3ef066c1be9a65f86f5139f54eb42cec2e30f22a 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Demo.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Demo.php
@@ -6,7 +6,7 @@
  * the session.  You can log out and log back in to get a different set of
  * values.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  * Copyright (C) The National Library of Finland 2014.
diff --git a/module/VuFind/src/VuFind/ILS/Driver/DemoFactory.php b/module/VuFind/src/VuFind/ILS/Driver/DemoFactory.php
index e7ec3cc2ea2f6cf29bd136f43295516bbeee0f71..307b874ae53d3e80c78145f6d727261c2f54e5bc 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/DemoFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/DemoFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Demo ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/DriverInterface.php b/module/VuFind/src/VuFind/ILS/Driver/DriverInterface.php
index dc3ba6f6304fc4650311d50a387a220d8c7c19cd..37cad7d7a888044d40baefc3307c34ed5087b479 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/DriverInterface.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/DriverInterface.php
@@ -2,7 +2,7 @@
 /**
  * Interface for ILS Drivers
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/DriverWithDateConverterFactory.php b/module/VuFind/src/VuFind/ILS/Driver/DriverWithDateConverterFactory.php
index 0bb72db7bf204e698cc0c6f3aef43f09eeb83ece..8fd6268073a509a7df3b707fd1064f056641ba79 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/DriverWithDateConverterFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/DriverWithDateConverterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory suitable for most ILS drivers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Evergreen.php b/module/VuFind/src/VuFind/ILS/Driver/Evergreen.php
index 11cbf7f8a6dc1e76631d5ca58fa5910b52a42814..2c74282f1791734a2be92c3d518f972d314ac25c 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Evergreen.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Evergreen.php
@@ -2,7 +2,7 @@
 /**
  * Evergreen ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/HorizonXMLAPI.php b/module/VuFind/src/VuFind/ILS/Driver/HorizonXMLAPI.php
index daaacf1bfefd3909316a6d203b6730fa5772173d..3359cac62304244704cfe0efaca37ee19cd6c23c 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/HorizonXMLAPI.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/HorizonXMLAPI.php
@@ -2,7 +2,7 @@
 /**
  * Horizon ILS Driver (w/ XML API support)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Innovative.php b/module/VuFind/src/VuFind/ILS/Driver/Innovative.php
index 1e2fe71ce84dd149eec96bce52a979b50a69f260..097d97c2803408d336388b12ac8e2ca1f82925a2 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Innovative.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Innovative.php
@@ -2,7 +2,7 @@
 /**
  * III ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Koha.php b/module/VuFind/src/VuFind/ILS/Driver/Koha.php
index 32b0840a388841172a976668cc8b8936fdbcfd76..2401a2a07cb3e0daf6fbcb1e5251165cd312a38b 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Koha.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Koha.php
@@ -2,7 +2,7 @@
 /**
  * Koha ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Ayesha Abed Library, BRAC University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php b/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
index 2d7b62a7ed82f5877e31b19dc6816564018da684..6a87936bfdfc909aab9320c89fa4270b12d130ac 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/KohaILSDI.php
@@ -2,7 +2,7 @@
 /**
  * KohaILSDI ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Alex Sassmannshausen, PTFS Europe 2014.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/LBS4.php b/module/VuFind/src/VuFind/ILS/Driver/LBS4.php
index 371764c2cc15ced5b86119692516e50dcda1755b..779463612b381088b0d24df1fe08cb43cfbb6e47 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/LBS4.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/LBS4.php
@@ -2,7 +2,7 @@
 /**
  * LBS4 ILS Driver (LBS4)
  *
- * PHP version 5
+ * PHP version 7
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
diff --git a/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php b/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
index 39f485421a4005e18125213873f9bea58bc37c0e..f85770dc16e045f042375dfb747b05096650dd34 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
@@ -2,7 +2,7 @@
 /**
  * Multiple Backend Driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2012-2017.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/MultiBackendFactory.php b/module/VuFind/src/VuFind/ILS/Driver/MultiBackendFactory.php
index 731da0c5ffa69e8dfd5e8d0c49f1650a8bd48314..f58c05904bd43bfe6dea435352194ca91e08bad1 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/MultiBackendFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/MultiBackendFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for MultiBackend ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/NewGenLib.php b/module/VuFind/src/VuFind/ILS/Driver/NewGenLib.php
index e2f6676ebd47ef30f2940f33d083e36cbb443d55..967d5c033e150bca648d9cd790865c5dea46a4b3 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/NewGenLib.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/NewGenLib.php
@@ -2,7 +2,7 @@
 /**
  * ILS Driver for NewGenLib
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Verus Solutions Pvt.Ltd 2010.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/NoILS.php b/module/VuFind/src/VuFind/ILS/Driver/NoILS.php
index 2c6b6c16aa537bb4c57fbd97d9382f52049df61c..9b84fd5587dc9eb97c340a6ee7b4c91705417149 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/NoILS.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/NoILS.php
@@ -2,7 +2,7 @@
 /**
  * Driver for offline/missing ILS.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/NoILSFactory.php b/module/VuFind/src/VuFind/ILS/Driver/NoILSFactory.php
index 7c840591c0f85fc40849e2e2464de3ab44feed34..d0db0202e247d15e02b54389c71a4ae468d785c3 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/NoILSFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/NoILSFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for NoILS ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/PAIA.php b/module/VuFind/src/VuFind/ILS/Driver/PAIA.php
index 8e814a7b6ab2c1e1a7133e5a15c8a4d7bc514e6d..8cc6efa39ecc9817860ff1ca541561e86558a353 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/PAIA.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/PAIA.php
@@ -2,7 +2,7 @@
 /**
  * PAIA ILS Driver for VuFind to get patron information
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Oliver Goldschmidt, Magda Roos, Till Kinstler, André Lahmann 2013,
  * 2014, 2015.
diff --git a/module/VuFind/src/VuFind/ILS/Driver/PAIAFactory.php b/module/VuFind/src/VuFind/ILS/Driver/PAIAFactory.php
index f5e45abe27efd8e0eed27fd45183663bb5fdc062..64db51aab4bc0e4ec660c5b839dff9c28397e232 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/PAIAFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/PAIAFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for PAIA ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/PluginFactory.php b/module/VuFind/src/VuFind/ILS/Driver/PluginFactory.php
index 9b15b1d223b46a29dc670061c7d6c979ad318cdf..01c8de070f3a8bfae002fc9e17c7126360e33230 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/PluginFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/PluginManager.php b/module/VuFind/src/VuFind/ILS/Driver/PluginManager.php
index c375665febb089243f92d2a65d600b1bd37c91cc..d0f185ac4e3e7362babfe3c9d9f18b3e15040795 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/PluginManager.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Polaris.php b/module/VuFind/src/VuFind/ILS/Driver/Polaris.php
index 72d6d89114f18b60dec429f1a8b25596d9ba952a..ced82a5cba77c08f324f1384c375408f83247ae1 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Polaris.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Polaris.php
@@ -2,7 +2,7 @@
 /**
  * Polaris ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Sample.php b/module/VuFind/src/VuFind/ILS/Driver/Sample.php
index e472b7c0a3ddde5fd4621aef1bcdc12853930c92..ce24eccb7932c6a9b82165d90dac656583d4ebde 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Sample.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Sample.php
@@ -2,7 +2,7 @@
 /**
  * Lightweight Dummy ILS Driver -- Always returns hard-coded sample values.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Sierra.php b/module/VuFind/src/VuFind/ILS/Driver/Sierra.php
index debed76ee986fafb6522c3ef4ec33c2832391cd4..f42e5f3439091bdca1acba6e4d350e3e82daa900 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Sierra.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Sierra.php
@@ -3,7 +3,7 @@
 /**
  * Sierra (III) ILS Driver for VuFind
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) 2013 Julia Bauder
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/SierraRest.php b/module/VuFind/src/VuFind/ILS/Driver/SierraRest.php
index 361aab21df2c3edb8a51103b970143f73bd5a387..c95dcbd170d3af7292988fbc33af7107cee13b80 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/SierraRest.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/SierraRest.php
@@ -2,7 +2,7 @@
 /**
  * III Sierra REST API driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016-2017.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/SierraRestFactory.php b/module/VuFind/src/VuFind/ILS/Driver/SierraRestFactory.php
index 4c1127d5c7aa98e39262de3315efe0d8ed05d4c8..dd0ebd9993174421ccb8c8116ec2b82453109143 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/SierraRestFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/SierraRestFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for SierraRest ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Symphony.php b/module/VuFind/src/VuFind/ILS/Driver/Symphony.php
index d3381bb063480253ec8f211cc64a6b14e64adad2..2970f93f91b727c0e3c1d3b1c34928ef0782672c 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Symphony.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Symphony.php
@@ -2,7 +2,7 @@
 /**
  * Symphony Web Services (symws) ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/SymphonyFactory.php b/module/VuFind/src/VuFind/ILS/Driver/SymphonyFactory.php
index 057e113c39053eb7ed35ec2d5122d2ac701b62c3..52ae28982d8df2728a2717027f3f8cb594a19286 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/SymphonyFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/SymphonyFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Symphony ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Unicorn.php b/module/VuFind/src/VuFind/ILS/Driver/Unicorn.php
index 390991f04e7bbeb66ec06541102b82f26eace378..a3d54e1d6c1b019bff099f8cae6b972b079bbf6a 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Unicorn.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Unicorn.php
@@ -2,7 +2,7 @@
 /**
  * SirsiDynix Unicorn ILS Driver (VuFind side)
  *
- * PHP version 5
+ * PHP version 7
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2,
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Virtua.php b/module/VuFind/src/VuFind/ILS/Driver/Virtua.php
index 3435c7ddae6f2211228cf12724bae8bb1090bbcf..0a86f61a33dbadef500e3d6564b4f765e222643d 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Virtua.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Virtua.php
@@ -2,7 +2,7 @@
 /**
  * VTLS Virtua Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) University of Southern Queensland 2008.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/Voyager.php b/module/VuFind/src/VuFind/ILS/Driver/Voyager.php
index 10c9159d2eb71990dd8a90bc15e9f1850ff3e8fa..68d8a62a4345faefe965838def8f0ca3ccc747b9 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Voyager.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Voyager.php
@@ -2,7 +2,7 @@
 /**
  * Voyager ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  * Copyright (C) The National Library of Finland 2014-2016.
diff --git a/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestful.php b/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestful.php
index 4185cf830efd75d2951be166b42e4643bbf44c1a..b308360c65b1b5eb6a48487b5fde3d3efc58c359 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestful.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestful.php
@@ -2,7 +2,7 @@
 /**
  * Voyager ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  * Copyright (C) The National Library of Finland 2014-2016.
diff --git a/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestfulFactory.php b/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestfulFactory.php
index fa6ef88464769ccdfb9f328b567f2ff81040eab5..56e525226c9e4c15c18fcbc9b6c971208d063ca2 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestfulFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/VoyagerRestfulFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for VoyagerRestful ILS driver.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Driver/XCNCIP2.php b/module/VuFind/src/VuFind/ILS/Driver/XCNCIP2.php
index 877729cf0e1e95c6e2b3e46a3a151d882e2f0bfd..0ae314ba1194ff1aec598cd6913cb658189f4eac 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/XCNCIP2.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/XCNCIP2.php
@@ -2,7 +2,7 @@
 /**
  * XC NCIP Toolkit (v2) ILS Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/ILS/HoldSettings.php b/module/VuFind/src/VuFind/ILS/HoldSettings.php
index 7051528179931f558eb992e01c175fb0675f0e2b..2ea4fa44326220f5bff2058eab6bc9913e36e227 100644
--- a/module/VuFind/src/VuFind/ILS/HoldSettings.php
+++ b/module/VuFind/src/VuFind/ILS/HoldSettings.php
@@ -5,7 +5,7 @@
  * This class is responsible for determining hold settings for VuFind based
  * on configuration and defaults.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/HoldSettingsFactory.php b/module/VuFind/src/VuFind/ILS/HoldSettingsFactory.php
index f6a70fbf165edec57f2edc3aac7071df541e7717..00dc7e2988902d644c7639c5670b75f62f93e8fb 100644
--- a/module/VuFind/src/VuFind/ILS/HoldSettingsFactory.php
+++ b/module/VuFind/src/VuFind/ILS/HoldSettingsFactory.php
@@ -2,7 +2,7 @@
 /**
  * ILS hold settings factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Logic/Holds.php b/module/VuFind/src/VuFind/ILS/Logic/Holds.php
index 06e5bd1ad6fe97184bc1bce29d50b9cce472ce9e..c5d4c6bc1f3f92826ac49a472bfe59eedadffc74 100644
--- a/module/VuFind/src/VuFind/ILS/Logic/Holds.php
+++ b/module/VuFind/src/VuFind/ILS/Logic/Holds.php
@@ -2,7 +2,7 @@
 /**
  * Hold Logic Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Logic/LogicFactory.php b/module/VuFind/src/VuFind/ILS/Logic/LogicFactory.php
index 3bea86f2d4b0f7957e45c4a16c958cf10b7c2fd6..0ceae43623bfb71875a8ee815f72bf3929a0096d 100644
--- a/module/VuFind/src/VuFind/ILS/Logic/LogicFactory.php
+++ b/module/VuFind/src/VuFind/ILS/Logic/LogicFactory.php
@@ -2,7 +2,7 @@
 /**
  * Shared factory for ILS logic classes.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ILS/Logic/TitleHolds.php b/module/VuFind/src/VuFind/ILS/Logic/TitleHolds.php
index 12562b053abdf3e8888bd3ba67c0affbea3e96c3..00f60f67224165e4afa53877fb9eabaed99cb7ca 100644
--- a/module/VuFind/src/VuFind/ILS/Logic/TitleHolds.php
+++ b/module/VuFind/src/VuFind/ILS/Logic/TitleHolds.php
@@ -2,7 +2,7 @@
 /**
  * Title Hold Logic Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/ImageLoader.php b/module/VuFind/src/VuFind/ImageLoader.php
index 1c5ddb3fae20a9715ea318b773e1f3b37dfe80b3..228622ead3ed404968a34caf828dcd3fc4650e5a 100644
--- a/module/VuFind/src/VuFind/ImageLoader.php
+++ b/module/VuFind/src/VuFind/ImageLoader.php
@@ -2,7 +2,7 @@
 /**
  * Base class for loading images (shared by Cover\Loader and QRCode\Loader)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Log/Logger.php b/module/VuFind/src/VuFind/Log/Logger.php
index 6fe83aa14946851b1e63b266c169493de8156d98..1ce144ba9d3253e0d700e5cdcbc7daea0ac3b7b7 100644
--- a/module/VuFind/src/VuFind/Log/Logger.php
+++ b/module/VuFind/src/VuFind/Log/Logger.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Logger
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/LoggerAwareTrait.php b/module/VuFind/src/VuFind/Log/LoggerAwareTrait.php
index 7bb4ed59bcefba8fff11f7a1c9924d5fcf4155c2..c5326f297a8bac71e802b754d2581a154adb164e 100644
--- a/module/VuFind/src/VuFind/Log/LoggerAwareTrait.php
+++ b/module/VuFind/src/VuFind/Log/LoggerAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * Extension of \Zend\Log\LoggerAwareTrait with some convenience methods.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/LoggerFactory.php b/module/VuFind/src/VuFind/Log/LoggerFactory.php
index 1fb48be45528d9fdc7d8c7a04b29a30eff35f190..d35bb6f83c367fbf9f8a342c944454a0a0bae76d 100644
--- a/module/VuFind/src/VuFind/Log/LoggerFactory.php
+++ b/module/VuFind/src/VuFind/Log/LoggerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating Logger
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/Db.php b/module/VuFind/src/VuFind/Log/Writer/Db.php
index c467468935fcd5dfb0bb70754c691767e5079a52..06799e9e725a5c2c192572755aa00f0ab72ec99d 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Db.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Db.php
@@ -2,7 +2,7 @@
 /**
  * DB log writer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/Mail.php b/module/VuFind/src/VuFind/Log/Writer/Mail.php
index 02e56cd5d33f01ee586b380bda1d745da21fd5c6..7df3132b3037beb48fa0dcbd8b395d33bb7b78af 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Mail.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Mail.php
@@ -2,7 +2,7 @@
 /**
  * Mail log writer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/Post.php b/module/VuFind/src/VuFind/Log/Writer/Post.php
index 0799f6abdb578185b01bbba61f201afc1cc50ae5..e638eadc7f9cc0cbd2ebdc19faea9f63c1b7cd5d 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Post.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Post.php
@@ -2,7 +2,7 @@
 /**
  * HTTP POST log writer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/Slack.php b/module/VuFind/src/VuFind/Log/Writer/Slack.php
index 0df9b051cac31ca242b298c76463f5fbb0abe3a7..f6dda44f6cf5e95c2624c42a63cb44495614e875 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Slack.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Slack.php
@@ -2,7 +2,7 @@
 /**
  * HTTP POST log writer for Slack
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/Stream.php b/module/VuFind/src/VuFind/Log/Writer/Stream.php
index eca9096fb4947bfadc454342d7290591a1250231..8567fa3088f42c0e78d386f9cf586e4d3f7527c5 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Stream.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Stream.php
@@ -2,7 +2,7 @@
 /**
  * Stream writer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Log/Writer/VerbosityTrait.php b/module/VuFind/src/VuFind/Log/Writer/VerbosityTrait.php
index 8343155ceadce9f324d18bb7109a7e2bd9f17813..f55b0e21ff76cd80644bb677e2f094c848efe212 100644
--- a/module/VuFind/src/VuFind/Log/Writer/VerbosityTrait.php
+++ b/module/VuFind/src/VuFind/Log/Writer/VerbosityTrait.php
@@ -2,7 +2,7 @@
 /**
  * Trait to add configurable verbosity settings to loggers
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Mailer/Factory.php b/module/VuFind/src/VuFind/Mailer/Factory.php
index 31a07a9eb80b6d03193ff0d645c967ed17690632..6aa5dba410ca2e4d21b2386279f222b9abc29d89 100644
--- a/module/VuFind/src/VuFind/Mailer/Factory.php
+++ b/module/VuFind/src/VuFind/Mailer/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating Mailer objects
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Mailer/Mailer.php b/module/VuFind/src/VuFind/Mailer/Mailer.php
index 02b63d35219b22a4fc95ef1325426ced68d9445f..193cb5823cac9a835d16c8ae789d60cc6f8fe74c 100644
--- a/module/VuFind/src/VuFind/Mailer/Mailer.php
+++ b/module/VuFind/src/VuFind/Mailer/Mailer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Mailer Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Net/IpAddressUtils.php b/module/VuFind/src/VuFind/Net/IpAddressUtils.php
index 5c997e6158b2eb9e523eb8b8d02c1be68714b021..2bbb411b6f1f03cb5f623345b9f5be28f38f39d4 100644
--- a/module/VuFind/src/VuFind/Net/IpAddressUtils.php
+++ b/module/VuFind/src/VuFind/Net/IpAddressUtils.php
@@ -2,7 +2,7 @@
 /**
  * IP address utility functions.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/src/VuFind/OAI/Server.php b/module/VuFind/src/VuFind/OAI/Server.php
index 11962ccb8465694eab512647e00e79149a7df544..4a179aaab9fc54be51f40951ba0aaa9c79d61872 100644
--- a/module/VuFind/src/VuFind/OAI/Server.php
+++ b/module/VuFind/src/VuFind/OAI/Server.php
@@ -2,7 +2,7 @@
 /**
  * OAI Server class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/OAI/Server/Auth.php b/module/VuFind/src/VuFind/OAI/Server/Auth.php
index 02c397d3970d2cd604cd8159ccdc852862af5c30..4211191e688c809df0e0ce6b1909db1a1a1c3142 100644
--- a/module/VuFind/src/VuFind/OAI/Server/Auth.php
+++ b/module/VuFind/src/VuFind/OAI/Server/Auth.php
@@ -2,7 +2,7 @@
 /**
  * OAI Server class for Authority core
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/QRCode/Loader.php b/module/VuFind/src/VuFind/QRCode/Loader.php
index 6f2ee420acb6b6cedd3f89efb9db92000306ecf9..b358a635aad8384783e6856b7647864c09d50550 100644
--- a/module/VuFind/src/VuFind/QRCode/Loader.php
+++ b/module/VuFind/src/VuFind/QRCode/Loader.php
@@ -2,7 +2,7 @@
 /**
  * QR Code Generator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AbstractFacets.php b/module/VuFind/src/VuFind/Recommend/AbstractFacets.php
index 3a525694cfe1f6db21f82401b4a92ab7b3e172e0..200378721ed2936236b56386b04b2cfa2e4e3ce8 100644
--- a/module/VuFind/src/VuFind/Recommend/AbstractFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/AbstractFacets.php
@@ -2,7 +2,7 @@
 /**
  * SideFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AbstractResultsPassthrough.php b/module/VuFind/src/VuFind/Recommend/AbstractResultsPassthrough.php
index 96ad5c783bddb29ecdac0678d4964b0a830bf4d2..a199edf2b06773db6fe3f058d73b028c3b048ddb 100644
--- a/module/VuFind/src/VuFind/Recommend/AbstractResultsPassthrough.php
+++ b/module/VuFind/src/VuFind/Recommend/AbstractResultsPassthrough.php
@@ -3,7 +3,7 @@
  * Simple abstract recommendation module that simply passes the Results object
  * through to the template.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommend.php b/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommend.php
index 8afb149ca35d470390e634c47a1e5dc0c550097f..28447eb245d092719e9b64d9a813e785ef1462cc 100644
--- a/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommend.php
+++ b/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommend.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base class for pulling Summon-specific recommendations.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommendDeferred.php b/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommendDeferred.php
index 36d28d50934b17e9d64b93943abbf5c0912ad8f0..b71764cce7bbe947a7e5429953369efb94fafb25 100644
--- a/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommendDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/AbstractSummonRecommendDeferred.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base for deferred-load Summon recommendations modules
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AlphaBrowseLink.php b/module/VuFind/src/VuFind/Recommend/AlphaBrowseLink.php
index f6dcb1532061a49ecda3931b1b38269ac7ed88d4..8d7278fbeaa20d8ebcfe31c20652b0feb6d560bd 100644
--- a/module/VuFind/src/VuFind/Recommend/AlphaBrowseLink.php
+++ b/module/VuFind/src/VuFind/Recommend/AlphaBrowseLink.php
@@ -2,7 +2,7 @@
 /**
  * AlphaBrowseLink Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AuthorFacets.php b/module/VuFind/src/VuFind/Recommend/AuthorFacets.php
index fb6b39ea58b026810d20227068431f01906342f0..ffee275ea4e97cc4305ba552afddd28b921307d7 100644
--- a/module/VuFind/src/VuFind/Recommend/AuthorFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/AuthorFacets.php
@@ -2,7 +2,7 @@
 /**
  * AuthorFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AuthorInfo.php b/module/VuFind/src/VuFind/Recommend/AuthorInfo.php
index 37bc4f8ec4ec1e11d1b2a3ecc7d2cbf81314fd7a..779f100b84a0675869ca40162427f72f90d85b94 100644
--- a/module/VuFind/src/VuFind/Recommend/AuthorInfo.php
+++ b/module/VuFind/src/VuFind/Recommend/AuthorInfo.php
@@ -2,7 +2,7 @@
 /**
  * AuthorInfo Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/AuthorityRecommend.php b/module/VuFind/src/VuFind/Recommend/AuthorityRecommend.php
index 0346523848ea3d327f3fb0ecc4f23a1128e3e766..2505ad82193361bdca50281f2e4100288284b9e7 100644
--- a/module/VuFind/src/VuFind/Recommend/AuthorityRecommend.php
+++ b/module/VuFind/src/VuFind/Recommend/AuthorityRecommend.php
@@ -2,7 +2,7 @@
 /**
  * AuthorityRecommend Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2012.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/CatalogResults.php b/module/VuFind/src/VuFind/Recommend/CatalogResults.php
index 30db19bfbbe590e956e03f800981a7e5a60a5f49..ca7f1dce24b7ffa827b452ebd7e5e2c80bf3b62c 100644
--- a/module/VuFind/src/VuFind/Recommend/CatalogResults.php
+++ b/module/VuFind/src/VuFind/Recommend/CatalogResults.php
@@ -2,7 +2,7 @@
 /**
  * CatalogResults Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/Channels.php b/module/VuFind/src/VuFind/Recommend/Channels.php
index 264f09c216f3a21802243c3b15fda6ec3f544631..8836a5bb55a1ecc295d836b85b82fc639b0379c9 100644
--- a/module/VuFind/src/VuFind/Recommend/Channels.php
+++ b/module/VuFind/src/VuFind/Recommend/Channels.php
@@ -2,7 +2,7 @@
 /**
  * Channels Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/CollectionSideFacets.php b/module/VuFind/src/VuFind/Recommend/CollectionSideFacets.php
index b92fdcc1200825ffef89174bbbe6dec097a856fe..e17bc7f1aa0d32ab10c65be2e51ea2b92c710dc1 100644
--- a/module/VuFind/src/VuFind/Recommend/CollectionSideFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/CollectionSideFacets.php
@@ -2,7 +2,7 @@
 /**
  * CollectionSideFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/DOI.php b/module/VuFind/src/VuFind/Recommend/DOI.php
index 3160f8598c2284562f275f91d73a8b4d46b6ca23..4c72b06375e5a30c8fa2892294965a45f1d5e075 100644
--- a/module/VuFind/src/VuFind/Recommend/DOI.php
+++ b/module/VuFind/src/VuFind/Recommend/DOI.php
@@ -2,7 +2,7 @@
 /**
  * DOI Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/DPLATerms.php b/module/VuFind/src/VuFind/Recommend/DPLATerms.php
index 04775b30df9540a4a50e369d68333527fbba0cf8..34404018ee61c3fca05d519e9a30d98f0fbdd2a8 100644
--- a/module/VuFind/src/VuFind/Recommend/DPLATerms.php
+++ b/module/VuFind/src/VuFind/Recommend/DPLATerms.php
@@ -2,7 +2,7 @@
 /**
  * DPLATerms Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/Deprecated.php b/module/VuFind/src/VuFind/Recommend/Deprecated.php
index 0fa9eb5b6e562d391834636c7eea059a7aa8b772..e8a98a3fd4b86eeebf462dffb173f35a5d4fa9af 100644
--- a/module/VuFind/src/VuFind/Recommend/Deprecated.php
+++ b/module/VuFind/src/VuFind/Recommend/Deprecated.php
@@ -3,7 +3,7 @@
  * Deprecated Recommendations Module - used to replace legacy modules that no
  * longer function due to, for example, external APIs that have been shut down.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/EuropeanaResults.php b/module/VuFind/src/VuFind/Recommend/EuropeanaResults.php
index 43d995e8bd42d02e6e9334a4dcb405d52acd49aa..f163c352dd59c5e01411561b7cd7ae83ea956f41 100644
--- a/module/VuFind/src/VuFind/Recommend/EuropeanaResults.php
+++ b/module/VuFind/src/VuFind/Recommend/EuropeanaResults.php
@@ -2,7 +2,7 @@
 /**
  * EuropeanaResults Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/EuropeanaResultsDeferred.php b/module/VuFind/src/VuFind/Recommend/EuropeanaResultsDeferred.php
index 471ddd905004c357bb28e739004b164cbc235c99..9be50bdf5fa6af55677cdd3ab85c60b964951c64 100644
--- a/module/VuFind/src/VuFind/Recommend/EuropeanaResultsDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/EuropeanaResultsDeferred.php
@@ -2,7 +2,7 @@
 /**
  * EuropeanaResultsDeferred Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/ExpandFacets.php b/module/VuFind/src/VuFind/Recommend/ExpandFacets.php
index bb580aadbf12ceaac163e50ef829e8f3d2ec7388..aaa091ffa374997931be57ee6fdba50788505c91 100644
--- a/module/VuFind/src/VuFind/Recommend/ExpandFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/ExpandFacets.php
@@ -2,7 +2,7 @@
 /**
  * ExpandFacets Module Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/FacetCloud.php b/module/VuFind/src/VuFind/Recommend/FacetCloud.php
index 7f99a2de256aa04c63594653e955dded81505236..4693f7eaa5cec2362379be56765edb81dbd4be21 100644
--- a/module/VuFind/src/VuFind/Recommend/FacetCloud.php
+++ b/module/VuFind/src/VuFind/Recommend/FacetCloud.php
@@ -2,7 +2,7 @@
 /**
  * FacetCloud Recommendations Module
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/Factory.php b/module/VuFind/src/VuFind/Recommend/Factory.php
index 38ca59781bb41262ef0f3418e44c567f3dfbc0e6..a789f3ee83bcbf1cb9faf6cfb774b91021749236 100644
--- a/module/VuFind/src/VuFind/Recommend/Factory.php
+++ b/module/VuFind/src/VuFind/Recommend/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Recommendation Module Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/FavoriteFacets.php b/module/VuFind/src/VuFind/Recommend/FavoriteFacets.php
index c6bddf5c98a0bc92a98ce1b5a1a736736899aa6f..4d37fda26214cb8933c7c604c391ef5cee8d52d3 100644
--- a/module/VuFind/src/VuFind/Recommend/FavoriteFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/FavoriteFacets.php
@@ -2,7 +2,7 @@
 /**
  * FavoriteFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/Libraryh3lp.php b/module/VuFind/src/VuFind/Recommend/Libraryh3lp.php
index 4322ecc0d3bf3f8aad57af52f30e417265c6788c..9d4c1faa8430b74cdd14589df7d663f4566ede4f 100644
--- a/module/VuFind/src/VuFind/Recommend/Libraryh3lp.php
+++ b/module/VuFind/src/VuFind/Recommend/Libraryh3lp.php
@@ -2,7 +2,7 @@
 /**
  * Libraryh3lp Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/MapSelection.php b/module/VuFind/src/VuFind/Recommend/MapSelection.php
index 7bc015544ffbd0b6ee798d4790720e27e53498ce..f54967cfbdf6f9ae23f744c7425292964c556fb9 100644
--- a/module/VuFind/src/VuFind/Recommend/MapSelection.php
+++ b/module/VuFind/src/VuFind/Recommend/MapSelection.php
@@ -2,7 +2,7 @@
 /**
  * MapSelection Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjects.php b/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjects.php
index a2bd344d6c05e1f93820c64640f7fa490c6959f2..12b144da0232a186ba2847227599ddb1c2ad17dd 100644
--- a/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjects.php
+++ b/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjects.php
@@ -2,7 +2,7 @@
 /**
  * OpenLibrarySubjects Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjectsDeferred.php b/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjectsDeferred.php
index 5b29d18225fc6374355394cd154de1a8d425f3bf..081460d039baf0909867ffaea56613bb7b05a24e 100644
--- a/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjectsDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/OpenLibrarySubjectsDeferred.php
@@ -2,7 +2,7 @@
 /**
  * OpenLibrarySubjects Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/PluginFactory.php b/module/VuFind/src/VuFind/Recommend/PluginFactory.php
index 098b64fb81b201150c5199b9e0ad626f022aab27..49041f580c8b57d138566e2cfd2e1c0554b067e9 100644
--- a/module/VuFind/src/VuFind/Recommend/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Recommend/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Recommendation module plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/PluginManager.php b/module/VuFind/src/VuFind/Recommend/PluginManager.php
index 51b496900044f46203e0808c48df6650556a894d..c357e7c906e21f64c5188c6d2a2c395cc6441db0 100644
--- a/module/VuFind/src/VuFind/Recommend/PluginManager.php
+++ b/module/VuFind/src/VuFind/Recommend/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Recommendation module plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/PubDateVisAjax.php b/module/VuFind/src/VuFind/Recommend/PubDateVisAjax.php
index c8967c35fdfe304df16416da15c034d91a98e8f2..bf4c1da89a8efb356c29c96715547600840a24a3 100644
--- a/module/VuFind/src/VuFind/Recommend/PubDateVisAjax.php
+++ b/module/VuFind/src/VuFind/Recommend/PubDateVisAjax.php
@@ -2,7 +2,7 @@
 /**
  * PubDateVisAjax Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Till Kinstler 2011.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/RandomRecommend.php b/module/VuFind/src/VuFind/Recommend/RandomRecommend.php
index d70d96e715468b35e4c546c8f66eb2875981246f..7041b96a9a12d8a45550990fe2a6a809cb07196b 100644
--- a/module/VuFind/src/VuFind/Recommend/RandomRecommend.php
+++ b/module/VuFind/src/VuFind/Recommend/RandomRecommend.php
@@ -2,7 +2,7 @@
 /**
  * RandomRecommend Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2012.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/RecommendInterface.php b/module/VuFind/src/VuFind/Recommend/RecommendInterface.php
index 8d63bf12c52d6e86cd49f2017bfdbdc945affeec..59a0d735b0d231bbb1bfd98dd844f75800db79c0 100644
--- a/module/VuFind/src/VuFind/Recommend/RecommendInterface.php
+++ b/module/VuFind/src/VuFind/Recommend/RecommendInterface.php
@@ -2,7 +2,7 @@
 /**
  * Search Recommendations Interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/RemoveFilters.php b/module/VuFind/src/VuFind/Recommend/RemoveFilters.php
index e9bf3babee7f36e88360d1b47d5b969891c5e692..132b07276b35de50de1962781b56747f523a268a 100644
--- a/module/VuFind/src/VuFind/Recommend/RemoveFilters.php
+++ b/module/VuFind/src/VuFind/Recommend/RemoveFilters.php
@@ -3,7 +3,7 @@
  * RemoveFilters Recommendations Module
  * Recommends to remove filters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SearchObject.php b/module/VuFind/src/VuFind/Recommend/SearchObject.php
index e4994b14a858d25130b0a602277b14721d9d32c1..7abbd7d3149ac07b0623ba2a30dd5f380fbcfac0 100644
--- a/module/VuFind/src/VuFind/Recommend/SearchObject.php
+++ b/module/VuFind/src/VuFind/Recommend/SearchObject.php
@@ -3,7 +3,7 @@
  * Abstract SearchObject Recommendations Module (needs to be extended to use
  * a particular search object).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SideFacets.php b/module/VuFind/src/VuFind/Recommend/SideFacets.php
index 1fb1d4248c679e00020af0f1e32a27903c77c9ad..f6cca916b799a9fe2be1a7ff02aea615ca47cc99 100644
--- a/module/VuFind/src/VuFind/Recommend/SideFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/SideFacets.php
@@ -2,7 +2,7 @@
 /**
  * SideFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SpellingSuggestions.php b/module/VuFind/src/VuFind/Recommend/SpellingSuggestions.php
index bd343d2a160e9717f38ad8ecd4aad949d3826735..75f2560fa3a93cdd3abbae1c81255d363679d520 100644
--- a/module/VuFind/src/VuFind/Recommend/SpellingSuggestions.php
+++ b/module/VuFind/src/VuFind/Recommend/SpellingSuggestions.php
@@ -2,7 +2,7 @@
 /**
  * SpellingSuggestions Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonBestBets.php b/module/VuFind/src/VuFind/Recommend/SummonBestBets.php
index a82ff34d0f579b58701ba2c750482705b8c28ee6..9b55f2903ab51695a03e6c0be1ac8fe94612c6e0 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonBestBets.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonBestBets.php
@@ -2,7 +2,7 @@
 /**
  * SummonBestBets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonBestBetsDeferred.php b/module/VuFind/src/VuFind/Recommend/SummonBestBetsDeferred.php
index 7ef745c020f309d1af9bde39a7bbdf28fa50d8e1..4928517f69ce21438247bae551d2321fb6ab223c 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonBestBetsDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonBestBetsDeferred.php
@@ -2,7 +2,7 @@
 /**
  * SummonBestBetsDeferred Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonDatabases.php b/module/VuFind/src/VuFind/Recommend/SummonDatabases.php
index f36eb697c0d66559f9ebb1c643c6d9af84665291..12d157fc63b2b9749c8621cfb855bf85ae072a91 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonDatabases.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonDatabases.php
@@ -2,7 +2,7 @@
 /**
  * SummonDatabases Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonDatabasesDeferred.php b/module/VuFind/src/VuFind/Recommend/SummonDatabasesDeferred.php
index a25f9a92dec618cf5b0232aa1c79fcbf53594b0b..ddcce2227c56bee6add3f1509ea32accec09d861 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonDatabasesDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonDatabasesDeferred.php
@@ -2,7 +2,7 @@
 /**
  * SummonDatabasesDeferred Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonResults.php b/module/VuFind/src/VuFind/Recommend/SummonResults.php
index 9ee4ea7abde1c2fc0d8fe909610cdbbebf884ede..0cf03cf5bdaaba847eb77296f0b8687a42e0237d 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonResults.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonResults.php
@@ -2,7 +2,7 @@
 /**
  * SummonResults Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonResultsDeferred.php b/module/VuFind/src/VuFind/Recommend/SummonResultsDeferred.php
index bc42487418f77c5d8bb1c82c25ea0bd5c06282fa..b60cabe17b70f2f0b8e9c70fa00e2dd475c058bf 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonResultsDeferred.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonResultsDeferred.php
@@ -2,7 +2,7 @@
 /**
  * SummonResultsDeferred Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SummonTopics.php b/module/VuFind/src/VuFind/Recommend/SummonTopics.php
index 8c815cb28bb83cb57675e0990f61fd06ff1c8917..e4debda91b83a3291495c22d220727b894c5910f 100644
--- a/module/VuFind/src/VuFind/Recommend/SummonTopics.php
+++ b/module/VuFind/src/VuFind/Recommend/SummonTopics.php
@@ -2,7 +2,7 @@
 /**
  * SummonTopics Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SwitchQuery.php b/module/VuFind/src/VuFind/Recommend/SwitchQuery.php
index 4790a9aec3ff97665e7fac4cf170c8ad9b5dcac6..7630b5c09b92d6c7b2f1ba485d88f97cffb6bc43 100644
--- a/module/VuFind/src/VuFind/Recommend/SwitchQuery.php
+++ b/module/VuFind/src/VuFind/Recommend/SwitchQuery.php
@@ -2,7 +2,7 @@
 /**
  * SwitchQuery Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SwitchTab.php b/module/VuFind/src/VuFind/Recommend/SwitchTab.php
index ef705b54024d2563f8e4346c5bfed26be24cc332..42c22b5469f9a8513483f30fde89fab5088cf1c1 100644
--- a/module/VuFind/src/VuFind/Recommend/SwitchTab.php
+++ b/module/VuFind/src/VuFind/Recommend/SwitchTab.php
@@ -3,7 +3,7 @@
  * SwitchTab Recommendations Module
  * Recommends to use another SearchTab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/SwitchType.php b/module/VuFind/src/VuFind/Recommend/SwitchType.php
index 4043c3b1e25b88cf84e3f102965a1e30070b6a7b..dbc1fb0e2a67117d60a582c156e8ab00659815e2 100644
--- a/module/VuFind/src/VuFind/Recommend/SwitchType.php
+++ b/module/VuFind/src/VuFind/Recommend/SwitchType.php
@@ -2,7 +2,7 @@
 /**
  * SwitchType Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/TopFacets.php b/module/VuFind/src/VuFind/Recommend/TopFacets.php
index c1773817b211a2bb692463c49d03d15dfbf38b80..0498957e9fe8ad4c368603936e2caaef5073b6c1 100644
--- a/module/VuFind/src/VuFind/Recommend/TopFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/TopFacets.php
@@ -2,7 +2,7 @@
 /**
  * SideFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/VisualFacets.php b/module/VuFind/src/VuFind/Recommend/VisualFacets.php
index f760ab8bb22bd5eeddd500cc289008d5e1e95445..35e44f21a18ecf70a1be8891b8917a9a1e6b06d9 100644
--- a/module/VuFind/src/VuFind/Recommend/VisualFacets.php
+++ b/module/VuFind/src/VuFind/Recommend/VisualFacets.php
@@ -2,7 +2,7 @@
 /**
  * VisualFacets Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Julia Bauder 2014.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/WebResults.php b/module/VuFind/src/VuFind/Recommend/WebResults.php
index 296100943b58a2902519a3409adecd1c008dd15c..cdfbbdc98c3e3217f610f90917abf3ed9853007b 100644
--- a/module/VuFind/src/VuFind/Recommend/WebResults.php
+++ b/module/VuFind/src/VuFind/Recommend/WebResults.php
@@ -2,7 +2,7 @@
 /**
  * WebResults Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Recommend/WorldCatIdentities.php b/module/VuFind/src/VuFind/Recommend/WorldCatIdentities.php
index b0ec406eb78714d462663adc06000e5e38b300c2..0b8dd688357563ec0e4ddfcc22577a021a389901 100644
--- a/module/VuFind/src/VuFind/Recommend/WorldCatIdentities.php
+++ b/module/VuFind/src/VuFind/Recommend/WorldCatIdentities.php
@@ -2,7 +2,7 @@
 /**
  * WorldCatIdentities Recommendations Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Record/Cache.php b/module/VuFind/src/VuFind/Record/Cache.php
index 1264bf607e81ba748ad8cd5803823bcd890cd984..76b0ddaf24a3a8836a0335d9b76d7ea82d8d5f01 100644
--- a/module/VuFind/src/VuFind/Record/Cache.php
+++ b/module/VuFind/src/VuFind/Record/Cache.php
@@ -2,7 +2,7 @@
 /**
  * Record Cache
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) University of Freiburg 2014.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareInterface.php b/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareInterface.php
index a68c5d89f54607c3b775937bee964312d830751d..8188cec2237aec9096567d95df950ef928cb22d8 100644
--- a/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareInterface.php
+++ b/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareInterface.php
@@ -2,7 +2,7 @@
 /**
  * Record cache aware marker interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) 2014 University of Freiburg.
  *
diff --git a/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareTrait.php b/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareTrait.php
index 5330d23eaa19d9b2160409945e72c8900622bd5f..ac8d39ff97ba3b1efa4adf6514bba6ef71bd5ccb 100644
--- a/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareTrait.php
+++ b/module/VuFind/src/VuFind/Record/Cache/RecordCacheAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * Default implementation of RecordCacheAwareInterface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) 2014 University of Freiburg.
  *
diff --git a/module/VuFind/src/VuFind/Record/CacheFactory.php b/module/VuFind/src/VuFind/Record/CacheFactory.php
index 385695a32f289f845a96440ae7b62d09e8c5c760..c63a9bc9a64103d4be50d650d70f9d940b2d65a9 100644
--- a/module/VuFind/src/VuFind/Record/CacheFactory.php
+++ b/module/VuFind/src/VuFind/Record/CacheFactory.php
@@ -2,7 +2,7 @@
 /**
  * Record cache factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Record/Loader.php b/module/VuFind/src/VuFind/Record/Loader.php
index 46c08aba6e516a6c44226d5ac09d15b3b92f726d..40ac9e504ab95fc329532bcb32ad86e9de0fd36b 100644
--- a/module/VuFind/src/VuFind/Record/Loader.php
+++ b/module/VuFind/src/VuFind/Record/Loader.php
@@ -2,7 +2,7 @@
 /**
  * Record loader
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/Record/LoaderFactory.php b/module/VuFind/src/VuFind/Record/LoaderFactory.php
index 09ee35daa45f4257e538f9590aad61a9cd7f392e..7d508f7f72d6b225f885da11eaed61ba76bb2f35 100644
--- a/module/VuFind/src/VuFind/Record/LoaderFactory.php
+++ b/module/VuFind/src/VuFind/Record/LoaderFactory.php
@@ -2,7 +2,7 @@
 /**
  * Record loader factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Record/Router.php b/module/VuFind/src/VuFind/Record/Router.php
index da967271bf3f3694432d505fd8a000973004404e..8102c57459c7d1598690616f31b90515100c6be9 100644
--- a/module/VuFind/src/VuFind/Record/Router.php
+++ b/module/VuFind/src/VuFind/Record/Router.php
@@ -2,7 +2,7 @@
 /**
  * Record route generator
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Record/RouterFactory.php b/module/VuFind/src/VuFind/Record/RouterFactory.php
index 3b00e07697c29aa90f83f967c4991891b9af5353..b9e7f79b055e5d24b15fd8283d5aa5782eac18f9 100644
--- a/module/VuFind/src/VuFind/Record/RouterFactory.php
+++ b/module/VuFind/src/VuFind/Record/RouterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Record router factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/AbstractBase.php b/module/VuFind/src/VuFind/RecordDriver/AbstractBase.php
index 915ef60d9bf10d4c8bb0e2d2d13a481c51a5dedb..c0e2602105a900d7e6ef0f517cc1fad26db923ad 100644
--- a/module/VuFind/src/VuFind/RecordDriver/AbstractBase.php
+++ b/module/VuFind/src/VuFind/RecordDriver/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base record model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/BrowZine.php b/module/VuFind/src/VuFind/RecordDriver/BrowZine.php
index ea78d3d0f9af760e4c064c33d3875bf061823f65..ce3da8e02463fc2695869368bfa2d4b9c6a415f1 100644
--- a/module/VuFind/src/VuFind/RecordDriver/BrowZine.php
+++ b/module/VuFind/src/VuFind/RecordDriver/BrowZine.php
@@ -2,7 +2,7 @@
 /**
  * Model for BrowZine records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/DefaultRecord.php b/module/VuFind/src/VuFind/RecordDriver/DefaultRecord.php
index 7348aacacd876f14e3e2d0d0d9955a940a7d3dc3..93907689fd8cf9bd73f5cfe8a56a2dca594bca8b 100644
--- a/module/VuFind/src/VuFind/RecordDriver/DefaultRecord.php
+++ b/module/VuFind/src/VuFind/RecordDriver/DefaultRecord.php
@@ -2,7 +2,7 @@
 /**
  * Default model for records
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/EDS.php b/module/VuFind/src/VuFind/RecordDriver/EDS.php
index aecf1d05069ea2cafb381f5ff8ec8a2f9ccfa98d..4de14e3ebcb7fdd27a9e7c3bd24be78f5971b2b4 100644
--- a/module/VuFind/src/VuFind/RecordDriver/EDS.php
+++ b/module/VuFind/src/VuFind/RecordDriver/EDS.php
@@ -2,7 +2,7 @@
 /**
  * Model for EDS records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/EIT.php b/module/VuFind/src/VuFind/RecordDriver/EIT.php
index cc51e0671e8c20dcc63b2a511493e08f1f99dc4a..25f15985817280647a2719a3043382c6c4ef9bc8 100644
--- a/module/VuFind/src/VuFind/RecordDriver/EIT.php
+++ b/module/VuFind/src/VuFind/RecordDriver/EIT.php
@@ -2,7 +2,7 @@
 /**
  * Model for records retrieved via EBSCO's EIT API.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Julia Bauder 2013.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Factory.php b/module/VuFind/src/VuFind/RecordDriver/Factory.php
index 8c9f5be7d0b48da801cbef5e386c7f9010a20aca..754de07032095682d2349b70ef8e85502a9205a1 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Factory.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Record Driver Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/HierarchyAwareTrait.php b/module/VuFind/src/VuFind/RecordDriver/HierarchyAwareTrait.php
index 8141409d973ad00494d94361b6e1af49993e3c78..2804c99cde64443a1a26f19ef442c6f3a31eb577 100644
--- a/module/VuFind/src/VuFind/RecordDriver/HierarchyAwareTrait.php
+++ b/module/VuFind/src/VuFind/RecordDriver/HierarchyAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy support for record drivers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/IlsAwareTrait.php b/module/VuFind/src/VuFind/RecordDriver/IlsAwareTrait.php
index a7d95a0036dc4257986342bfdf0c271d0039d236..1760af62bda048efc3e02ddd11a037027157a009 100644
--- a/module/VuFind/src/VuFind/RecordDriver/IlsAwareTrait.php
+++ b/module/VuFind/src/VuFind/RecordDriver/IlsAwareTrait.php
@@ -2,7 +2,7 @@
 /**
  * ILS support for MARC and other types of records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/RecordDriver/LibGuides.php b/module/VuFind/src/VuFind/RecordDriver/LibGuides.php
index 373d58b60943780626d9f7805ddbef6288443658..6a050a528798a1762e63f0fd20a4de341bee4016 100644
--- a/module/VuFind/src/VuFind/RecordDriver/LibGuides.php
+++ b/module/VuFind/src/VuFind/RecordDriver/LibGuides.php
@@ -2,7 +2,7 @@
 /**
  * Model for LibGuides records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/MarcAdvancedTrait.php b/module/VuFind/src/VuFind/RecordDriver/MarcAdvancedTrait.php
index 53f0a850cb85896b0caa37de8a7d688fe5ac7662..d6afe45a08b9090d5dff1ae03c988f850d29f6f9 100644
--- a/module/VuFind/src/VuFind/RecordDriver/MarcAdvancedTrait.php
+++ b/module/VuFind/src/VuFind/RecordDriver/MarcAdvancedTrait.php
@@ -3,7 +3,7 @@
  * Functions to add advanced MARC-driven functionality to a record driver already
  * powered by the standard index spec. Depends upon MarcReaderTrait.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/MarcBasicTrait.php b/module/VuFind/src/VuFind/RecordDriver/MarcBasicTrait.php
index 51fb45e5b885830c5af5cf1b74d33d5904d11931..82b99c8f97e7185369d5e669ea7dab6f48fabbd5 100644
--- a/module/VuFind/src/VuFind/RecordDriver/MarcBasicTrait.php
+++ b/module/VuFind/src/VuFind/RecordDriver/MarcBasicTrait.php
@@ -3,7 +3,7 @@
  * Functions to add basic MARC-driven functionality to a record driver not already
  * powered by the standard index spec. Depends upon MarcReaderTrait.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/MarcReaderTrait.php b/module/VuFind/src/VuFind/RecordDriver/MarcReaderTrait.php
index 6a199bbad3905852c8957bb2599aa093419ca0fd..57c06afaac0743c1ba7b40a440cbc908adc1f642 100644
--- a/module/VuFind/src/VuFind/RecordDriver/MarcReaderTrait.php
+++ b/module/VuFind/src/VuFind/RecordDriver/MarcReaderTrait.php
@@ -2,7 +2,7 @@
 /**
  * Functions for reading MARC records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Missing.php b/module/VuFind/src/VuFind/RecordDriver/Missing.php
index 849b65dc5b88887a5a0d370b6602a176a1aa6742..e13102d53d4dd32d3970a94e7a6ab1870b37fb82 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Missing.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Missing.php
@@ -3,7 +3,7 @@
  * Model for missing records -- used for saved favorites that have been deleted
  * from the index.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Pazpar2.php b/module/VuFind/src/VuFind/RecordDriver/Pazpar2.php
index 96765b10bda43c3eff08cdb28ff0e127125cbd82..6954566eb20b50081512b12bff8a728e233d69e7 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Pazpar2.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Pazpar2.php
@@ -2,7 +2,7 @@
 /**
  * Model for Pazpar2 records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/PluginFactory.php b/module/VuFind/src/VuFind/RecordDriver/PluginFactory.php
index f42e7968c4a4fec1b9166b27ce76cfa504841b5f..10a5c4f20db164cfdc9d1d39536ce59c4eb7baac 100644
--- a/module/VuFind/src/VuFind/RecordDriver/PluginFactory.php
+++ b/module/VuFind/src/VuFind/RecordDriver/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Record driver plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/PluginManager.php b/module/VuFind/src/VuFind/RecordDriver/PluginManager.php
index 3c593edc451db89385c50250786a76b370106175..2a4d5d2354b3944cb3171e0a1b7789d911f891a8 100644
--- a/module/VuFind/src/VuFind/RecordDriver/PluginManager.php
+++ b/module/VuFind/src/VuFind/RecordDriver/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Record driver plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Primo.php b/module/VuFind/src/VuFind/RecordDriver/Primo.php
index d65405fb0e1be88cf7d6d924a85f4b1804638440..064153c7f611d78dde054ba0845d9c475a4e934b 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Primo.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Primo.php
@@ -2,7 +2,7 @@
 /**
  * Model for Primo Central records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Response/PublicationDetails.php b/module/VuFind/src/VuFind/RecordDriver/Response/PublicationDetails.php
index 4f3c2bdcfe767f2a99784f4e97aa10e660cf28d6..5cf970d837aece33dcd0f96e4218182ae6cce688 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Response/PublicationDetails.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Response/PublicationDetails.php
@@ -2,7 +2,7 @@
 /**
  * Class encapsulating publication details.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrAuth.php b/module/VuFind/src/VuFind/RecordDriver/SolrAuth.php
index bcce5575dfcd19311fc827917bb9dfb179d1564a..e9d89f6e8736d2a8c91df7971eb761d74fe3aaad 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrAuth.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrAuth.php
@@ -2,7 +2,7 @@
 /**
  * Model for Solr authority records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php b/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
index 3e3dafe52efc0d3e1c70447bee99bfe1a93a4bb3..2c3e7c8d995697ae1eb73cd22375c339ac1cf300 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
@@ -3,7 +3,7 @@
  * Default model for Solr records -- used when a more specific model based on
  * the recordtype field cannot be found.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php b/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
index 3a30e2ad664dad87c2ed99889b012f0b074b06be..dd95449e228bf6ba9b7aed5f091581d869478a2c 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
@@ -2,7 +2,7 @@
 /**
  * Model for MARC records in Solr.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrMarcRemote.php b/module/VuFind/src/VuFind/RecordDriver/SolrMarcRemote.php
index d7fc5330389d8694e82166cb55878ada5b18f1d9..8970bb51adba78bead76d7d7b5323795c8ff1945 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrMarcRemote.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrMarcRemote.php
@@ -3,7 +3,7 @@
  * Model for MARC records without a fullrecord in Solr. The fullrecord is being
  * retrieved from an external source.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Leipzig University Library 2014.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrReserves.php b/module/VuFind/src/VuFind/RecordDriver/SolrReserves.php
index 9aff7940a94583e9e4b94fdc831f5a6d0ded584b..795663417638714d508fb7f99bf5adce718564d2 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrReserves.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrReserves.php
@@ -2,7 +2,7 @@
 /**
  * Model for Solr reserves records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrWeb.php b/module/VuFind/src/VuFind/RecordDriver/SolrWeb.php
index 57e6a75a98f7cb88e5d9af3e9d704cc628840533..6c1bcd707fa35afc69794426bfb7a0409a444b29 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrWeb.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrWeb.php
@@ -2,7 +2,7 @@
 /**
  * Model for Solr web records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/Summon.php b/module/VuFind/src/VuFind/RecordDriver/Summon.php
index b54b1e4e8ca2de4276ed35c72f203db11720563a..36b2114463adeeeca39160426c8dcafbb6103d4a 100644
--- a/module/VuFind/src/VuFind/RecordDriver/Summon.php
+++ b/module/VuFind/src/VuFind/RecordDriver/Summon.php
@@ -2,7 +2,7 @@
 /**
  * Model for Summon records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordDriver/WorldCat.php b/module/VuFind/src/VuFind/RecordDriver/WorldCat.php
index b9e2d1cc569bcd3e0e965691929077a213432876..d1a535d167fb44202cf5c6acfa0fd1b3bf4ee8f6 100644
--- a/module/VuFind/src/VuFind/RecordDriver/WorldCat.php
+++ b/module/VuFind/src/VuFind/RecordDriver/WorldCat.php
@@ -2,7 +2,7 @@
 /**
  * Model for MARC records in WorldCat.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/AbstractBase.php b/module/VuFind/src/VuFind/RecordTab/AbstractBase.php
index 195df0231b69075c46fced664990d5695fa75d65..cf7b9edb83625c61906d4e6596d57a2a92973021 100644
--- a/module/VuFind/src/VuFind/RecordTab/AbstractBase.php
+++ b/module/VuFind/src/VuFind/RecordTab/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Record tab abstract base class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/AbstractContent.php b/module/VuFind/src/VuFind/RecordTab/AbstractContent.php
index 3fe7fbc8335956c7b09afa7fe4fa78c75f50a76f..5c5ea7fc16e72e10599148d180afe0518f0eb942 100644
--- a/module/VuFind/src/VuFind/RecordTab/AbstractContent.php
+++ b/module/VuFind/src/VuFind/RecordTab/AbstractContent.php
@@ -2,7 +2,7 @@
 /**
  * Reviews tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/CollectionHierarchyTree.php b/module/VuFind/src/VuFind/RecordTab/CollectionHierarchyTree.php
index 6fc8338a5bd32a2c1d6a46870cc66659d2f89028..1429a9699a43afd610bb41e12023793871d77ea9 100644
--- a/module/VuFind/src/VuFind/RecordTab/CollectionHierarchyTree.php
+++ b/module/VuFind/src/VuFind/RecordTab/CollectionHierarchyTree.php
@@ -2,7 +2,7 @@
 /**
  * HierarchyTree tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/CollectionList.php b/module/VuFind/src/VuFind/RecordTab/CollectionList.php
index c73536cbbc47b7879a8424aa188255840cf5f9a2..f01983acdd0acf2b1698c026565e09080da6133d 100644
--- a/module/VuFind/src/VuFind/RecordTab/CollectionList.php
+++ b/module/VuFind/src/VuFind/RecordTab/CollectionList.php
@@ -2,7 +2,7 @@
 /**
  * Collection list tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Description.php b/module/VuFind/src/VuFind/RecordTab/Description.php
index af5b32e8f13c76a7c5ec4198e6ddd65e3b4718f9..ea7fdd53c840b9d016010b5b369da53be00ac2a5 100644
--- a/module/VuFind/src/VuFind/RecordTab/Description.php
+++ b/module/VuFind/src/VuFind/RecordTab/Description.php
@@ -2,7 +2,7 @@
 /**
  * Description tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Excerpt.php b/module/VuFind/src/VuFind/RecordTab/Excerpt.php
index 2b8008dd4eac365df532659ba9e981baedaa971d..0f8ed8af95a4d2f58b3646c7bc144576da58236b 100644
--- a/module/VuFind/src/VuFind/RecordTab/Excerpt.php
+++ b/module/VuFind/src/VuFind/RecordTab/Excerpt.php
@@ -2,7 +2,7 @@
 /**
  * Excerpt tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Factory.php b/module/VuFind/src/VuFind/RecordTab/Factory.php
index cddc743ea050752b20b70c33dc671400490e77d1..03b5a91272f7a25eb83344691920450bc1b00b40 100644
--- a/module/VuFind/src/VuFind/RecordTab/Factory.php
+++ b/module/VuFind/src/VuFind/RecordTab/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Record Tab Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/HierarchyTree.php b/module/VuFind/src/VuFind/RecordTab/HierarchyTree.php
index 81fb86dc14fc4cabf3ce48ee6d29a983d1f0422b..453251b259d196432a9d5d22a173204879d1b52e 100644
--- a/module/VuFind/src/VuFind/RecordTab/HierarchyTree.php
+++ b/module/VuFind/src/VuFind/RecordTab/HierarchyTree.php
@@ -2,7 +2,7 @@
 /**
  * HierarchyTree tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/HoldingsILS.php b/module/VuFind/src/VuFind/RecordTab/HoldingsILS.php
index 8670d3bc121c228b613fb76ae64c3dbcd708cd63..459598251cd950a436be7b2e8c2623e078948af5 100644
--- a/module/VuFind/src/VuFind/RecordTab/HoldingsILS.php
+++ b/module/VuFind/src/VuFind/RecordTab/HoldingsILS.php
@@ -2,7 +2,7 @@
 /**
  * Holdings (ILS) tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/HoldingsWorldCat.php b/module/VuFind/src/VuFind/RecordTab/HoldingsWorldCat.php
index a52f5218f17f3e06cc425a736d166fd1aa081210..1a2ea9a7b420e46ddc40584b8b345eb621c0e145 100644
--- a/module/VuFind/src/VuFind/RecordTab/HoldingsWorldCat.php
+++ b/module/VuFind/src/VuFind/RecordTab/HoldingsWorldCat.php
@@ -2,7 +2,7 @@
 /**
  * Holdings (WorldCat) tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Map.php b/module/VuFind/src/VuFind/RecordTab/Map.php
index 74eaadfba2279e04f9b789de10218d8ca90e7f34..bd205f5ac7854d281ac3598e7f1a4a1025813646 100644
--- a/module/VuFind/src/VuFind/RecordTab/Map.php
+++ b/module/VuFind/src/VuFind/RecordTab/Map.php
@@ -2,7 +2,7 @@
 /**
  * Map tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/PluginFactory.php b/module/VuFind/src/VuFind/RecordTab/PluginFactory.php
index 9029d442cd2e89f2860d70bc4b9d86b23546d962..7d16b05918c49fabc9752d91de318046a304c215 100644
--- a/module/VuFind/src/VuFind/RecordTab/PluginFactory.php
+++ b/module/VuFind/src/VuFind/RecordTab/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Record tab plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/PluginManager.php b/module/VuFind/src/VuFind/RecordTab/PluginManager.php
index 55105a782b864155f6adb98ab37088dfa375dfcf..99e674a4e0c3b3f88418bd2f2d21a32a37e52baf 100644
--- a/module/VuFind/src/VuFind/RecordTab/PluginManager.php
+++ b/module/VuFind/src/VuFind/RecordTab/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Record tab plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Preview.php b/module/VuFind/src/VuFind/RecordTab/Preview.php
index d9b6d9ce78ce7ef824df8e9834e4ed639574cceb..476bfb94458c6314645d62384c08b53a2d73daab 100644
--- a/module/VuFind/src/VuFind/RecordTab/Preview.php
+++ b/module/VuFind/src/VuFind/RecordTab/Preview.php
@@ -2,7 +2,7 @@
 /**
  * Embedded Preview tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/Reviews.php b/module/VuFind/src/VuFind/RecordTab/Reviews.php
index 66176a13a3b5464dd2c1e67edf57097c5c58fc9d..4bdf311e04209c09471fb538e26f352a584dcd93 100644
--- a/module/VuFind/src/VuFind/RecordTab/Reviews.php
+++ b/module/VuFind/src/VuFind/RecordTab/Reviews.php
@@ -2,7 +2,7 @@
 /**
  * Reviews tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/SimilarItemsCarousel.php b/module/VuFind/src/VuFind/RecordTab/SimilarItemsCarousel.php
index 4ddf208106685bdb9e5416f4c12df765d636f6d7..31c9151f666353a9d0554af8e3b8db679316dbbf 100644
--- a/module/VuFind/src/VuFind/RecordTab/SimilarItemsCarousel.php
+++ b/module/VuFind/src/VuFind/RecordTab/SimilarItemsCarousel.php
@@ -2,7 +2,7 @@
 /**
  * Staff view (array dump) tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/StaffViewArray.php b/module/VuFind/src/VuFind/RecordTab/StaffViewArray.php
index b87c5168459b70482e025092cd9e21a52fcd104d..a7bab2228a5cba9269832704e7a52483d33a8d46 100644
--- a/module/VuFind/src/VuFind/RecordTab/StaffViewArray.php
+++ b/module/VuFind/src/VuFind/RecordTab/StaffViewArray.php
@@ -2,7 +2,7 @@
 /**
  * Staff view (array dump) tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/StaffViewMARC.php b/module/VuFind/src/VuFind/RecordTab/StaffViewMARC.php
index 8b3b5c0d1376e1d3f6a3993da011d8116d6672bc..a624d3701b13c9a3d8e35455b09edc782fef6e0c 100644
--- a/module/VuFind/src/VuFind/RecordTab/StaffViewMARC.php
+++ b/module/VuFind/src/VuFind/RecordTab/StaffViewMARC.php
@@ -2,7 +2,7 @@
 /**
  * Staff view (MARC dump) tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/TOC.php b/module/VuFind/src/VuFind/RecordTab/TOC.php
index 6b5f250a53342021796cc4bfc48610e2ab7b67bd..b040e9565114c2cd0ee4a29c97a5b5a82791aef9 100644
--- a/module/VuFind/src/VuFind/RecordTab/TOC.php
+++ b/module/VuFind/src/VuFind/RecordTab/TOC.php
@@ -2,7 +2,7 @@
 /**
  * Table of Contents tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/TabInterface.php b/module/VuFind/src/VuFind/RecordTab/TabInterface.php
index 08edaebcb43f8626c065c64d32aebebacea4886c..7f3522ba2fdc3cc45188416861764bab12b39d0c 100644
--- a/module/VuFind/src/VuFind/RecordTab/TabInterface.php
+++ b/module/VuFind/src/VuFind/RecordTab/TabInterface.php
@@ -2,7 +2,7 @@
 /**
  * Record tab interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/RecordTab/UserComments.php b/module/VuFind/src/VuFind/RecordTab/UserComments.php
index 8921c63e8d59b0e1b32ff5dda2efbf8693a22c05..209936953f24272d492474dadec0edf51ac611fd 100644
--- a/module/VuFind/src/VuFind/RecordTab/UserComments.php
+++ b/module/VuFind/src/VuFind/RecordTab/UserComments.php
@@ -2,7 +2,7 @@
 /**
  * User comments tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Related/Channels.php b/module/VuFind/src/VuFind/Related/Channels.php
index 16e4661c0746482eaef4c30893d6b1bd3d7adfbe..c3729e5fdae8b6a1925abe97d06a1a2a48918d9f 100644
--- a/module/VuFind/src/VuFind/Related/Channels.php
+++ b/module/VuFind/src/VuFind/Related/Channels.php
@@ -2,7 +2,7 @@
 /**
  * Related Records: Link to Channels
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Related/Deprecated.php b/module/VuFind/src/VuFind/Related/Deprecated.php
index 5a98193fde57fa2eb413c305ba98e9f57a0de9d6..899dc3a2681fee798c8387f60217d2ae233d8916 100644
--- a/module/VuFind/src/VuFind/Related/Deprecated.php
+++ b/module/VuFind/src/VuFind/Related/Deprecated.php
@@ -3,7 +3,7 @@
  * Deprecated Related Records Module - used to replace legacy modules that no
  * longer function due to, for example, external APIs that have been shut down.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Related/PluginFactory.php b/module/VuFind/src/VuFind/Related/PluginFactory.php
index f31afdb99d67eaed3be3b4e46b42e0660cfaadbf..9bdd65b73a03d6cd2155e8d267ddcfe97471f036 100644
--- a/module/VuFind/src/VuFind/Related/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Related/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Related record plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Related/PluginManager.php b/module/VuFind/src/VuFind/Related/PluginManager.php
index 7d5d84b84251d66abc9491a97a4570672060f102..90e946f2871088e62d57e997d92f79b48c0e6847 100644
--- a/module/VuFind/src/VuFind/Related/PluginManager.php
+++ b/module/VuFind/src/VuFind/Related/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Related record plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Related/RelatedInterface.php b/module/VuFind/src/VuFind/Related/RelatedInterface.php
index 29b98ad1d6a70100db1dacd76515e2bd170b8c1b..df6b02459eb8f232018bcb450ac85457b4decd7a 100644
--- a/module/VuFind/src/VuFind/Related/RelatedInterface.php
+++ b/module/VuFind/src/VuFind/Related/RelatedInterface.php
@@ -2,7 +2,7 @@
 /**
  * Related Records Interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Related/Similar.php b/module/VuFind/src/VuFind/Related/Similar.php
index 3751134007513d6fc3bede0cf77e8374bf3b577a..7bc97800322c88ffc72ab39729cc0716a5ebf8d8 100644
--- a/module/VuFind/src/VuFind/Related/Similar.php
+++ b/module/VuFind/src/VuFind/Related/Similar.php
@@ -2,7 +2,7 @@
 /**
  * Related Records: Solr-based similarity
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Related/SimilarFactory.php b/module/VuFind/src/VuFind/Related/SimilarFactory.php
index 841a95dfed6f23fe8f6ddcac9c98ffc0e8ccb34d..02b5318252007a7f8a5fb47dafba193bad862cdd 100644
--- a/module/VuFind/src/VuFind/Related/SimilarFactory.php
+++ b/module/VuFind/src/VuFind/Related/SimilarFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Similar related record module (and subclasses).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Related/WorldCatSimilar.php b/module/VuFind/src/VuFind/Related/WorldCatSimilar.php
index 13d07a47f2b84dc3154fa39123b7e4fdd8f2691a..8223bc5d12d0600556906d389f77930ccb78c906 100644
--- a/module/VuFind/src/VuFind/Related/WorldCatSimilar.php
+++ b/module/VuFind/src/VuFind/Related/WorldCatSimilar.php
@@ -2,7 +2,7 @@
 /**
  * Related Records: WorldCat-based similarity
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Reserves/CsvReader.php b/module/VuFind/src/VuFind/Reserves/CsvReader.php
index 00e6ebd8efdd0e2d15a3d5b133c259ef5479e3dc..5f68a343316d36541b0590a4adf7254a946cd242 100644
--- a/module/VuFind/src/VuFind/Reserves/CsvReader.php
+++ b/module/VuFind/src/VuFind/Reserves/CsvReader.php
@@ -2,7 +2,7 @@
 /**
  * Support class to build reserves data from CSV file(s).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Connection.php b/module/VuFind/src/VuFind/Resolver/Connection.php
index 609f7c5b91228508cc9f497b74f8316c0068fac8..a7c8dfa7aa1766b116da6e8108369ba53a6638a9 100644
--- a/module/VuFind/src/VuFind/Resolver/Connection.php
+++ b/module/VuFind/src/VuFind/Resolver/Connection.php
@@ -2,7 +2,7 @@
 /**
  * Link Resolver Driver Wrapper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Royal Holloway, University of London
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/AbstractBase.php b/module/VuFind/src/VuFind/Resolver/Driver/AbstractBase.php
index 2d9f1d5df71f55078a5fef80a2e8ad7e8a5c1b27..cdff08a703a7f8818b751ce39561c8b8383c2209 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * AbstractBase for Resolver Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/Demo.php b/module/VuFind/src/VuFind/Resolver/Driver/Demo.php
index b2e57a89c7ef511b100c8051e541da328598ab15..af33fe2555c1622cdad7516951bcfac68eba239f 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/Demo.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/Demo.php
@@ -2,7 +2,7 @@
 /**
  * Demo Link Resolver Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/DriverInterface.php b/module/VuFind/src/VuFind/Resolver/Driver/DriverInterface.php
index 53ffe8f1faacf124fb8a47aae08e3c4344f7fa75..a6132e702eb56b6bad567ded4214542dbbbb218e 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/DriverInterface.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/DriverInterface.php
@@ -2,7 +2,7 @@
 /**
  * Interface for Link Resolver Drivers
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Royal Holloway, University of London
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/DriverWithHttpClientFactory.php b/module/VuFind/src/VuFind/Resolver/Driver/DriverWithHttpClientFactory.php
index a8de5c154c2807979980fcf3f9c4ffcfb8883848..f9afb1ead8903020d64afc12bdfaca2c89009451 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/DriverWithHttpClientFactory.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/DriverWithHttpClientFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory suitable for most resolver drivers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/Ezb.php b/module/VuFind/src/VuFind/Resolver/Driver/Ezb.php
index 6c3801314eeb4500855c009a53ee8b8c31d32441..7a102637b149db17253127d5bac9fdbf261ac169 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/Ezb.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/Ezb.php
@@ -8,7 +8,7 @@
  * API documentation is available at
  * http://www.zeitschriftendatenbank.de/services/schnittstellen/journals-online-print
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Markus Fischer, info@flyingfischer.ch
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/PluginFactory.php b/module/VuFind/src/VuFind/Resolver/Driver/PluginFactory.php
index 1fc12e15c37fc1f50cfa9a9f9ec8b9d13953e2ad..8e309eb8ea2717bf4137470c942e0ad746cf284f 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Resolver driver plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/PluginManager.php b/module/VuFind/src/VuFind/Resolver/Driver/PluginManager.php
index e3a14201cb9356c7c0f850e81402b213430ec687..dc9f1167f5043c707608dec3b9ba9cc675d60179 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/PluginManager.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Resolver driver plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/Redi.php b/module/VuFind/src/VuFind/Resolver/Driver/Redi.php
index fa590395ca4ae95e1a4a5f1747a6002d7bdcfedf..6d4290d152500743375bef7ba781ae51ddae75a5 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/Redi.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/Redi.php
@@ -2,7 +2,7 @@
 /**
  * ReDi Link Resolver Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Leipzig University Library 2015
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/Sfx.php b/module/VuFind/src/VuFind/Resolver/Driver/Sfx.php
index ccd6a7ec3c6b38204d293ac1e6792936851d0075..8d89d6d8f3f86fb8de131e2649a9f430a59b22dd 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/Sfx.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/Sfx.php
@@ -2,7 +2,7 @@
 /**
  * SFX Link Resolver Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Royal Holloway, University of London
  *
diff --git a/module/VuFind/src/VuFind/Resolver/Driver/Threesixtylink.php b/module/VuFind/src/VuFind/Resolver/Driver/Threesixtylink.php
index 6fb0e9f42f6025e71e2303484ba0577589cfc804..5592448056b8d45d1e6779f1f5f00bea94bd4930 100644
--- a/module/VuFind/src/VuFind/Resolver/Driver/Threesixtylink.php
+++ b/module/VuFind/src/VuFind/Resolver/Driver/Threesixtylink.php
@@ -2,7 +2,7 @@
 /**
  * 360Link Link Resolver Driver
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Royal Holloway, University of London
  *
diff --git a/module/VuFind/src/VuFind/Role/DynamicRoleProvider.php b/module/VuFind/src/VuFind/Role/DynamicRoleProvider.php
index 3b52e6448cbebf1ccec61f7ba31194e157d62ceb..d8da7cf7be5f81717b75eb399dac4d394e3f9853 100644
--- a/module/VuFind/src/VuFind/Role/DynamicRoleProvider.php
+++ b/module/VuFind/src/VuFind/Role/DynamicRoleProvider.php
@@ -2,7 +2,7 @@
 /**
  * VuFind dynamic role provider.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/DynamicRoleProviderFactory.php b/module/VuFind/src/VuFind/Role/DynamicRoleProviderFactory.php
index 495b2c37647d49521af8bf7f9fdab888074478a8..2068df49cf47546f893eb899395341a61c2775d3 100644
--- a/module/VuFind/src/VuFind/Role/DynamicRoleProviderFactory.php
+++ b/module/VuFind/src/VuFind/Role/DynamicRoleProviderFactory.php
@@ -2,7 +2,7 @@
 /**
  * VuFind dynamic role provider factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionDeniedManager.php b/module/VuFind/src/VuFind/Role/PermissionDeniedManager.php
index a08e305bec15db20352a6030d4fd6a2f0b8baf34..adbbc633ad0709b43daef773a790658d45c78664 100644
--- a/module/VuFind/src/VuFind/Role/PermissionDeniedManager.php
+++ b/module/VuFind/src/VuFind/Role/PermissionDeniedManager.php
@@ -2,7 +2,7 @@
 /**
  * Permission Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionDeniedManagerFactory.php b/module/VuFind/src/VuFind/Role/PermissionDeniedManagerFactory.php
index 972d1af81a425f48e1e9a8c1135c4fde79a9b520..e94d3b64d58be013ed34c07f87000a967181d5fe 100644
--- a/module/VuFind/src/VuFind/Role/PermissionDeniedManagerFactory.php
+++ b/module/VuFind/src/VuFind/Role/PermissionDeniedManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Permission denied manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionManager.php b/module/VuFind/src/VuFind/Role/PermissionManager.php
index efad3dc7d4cb1d650fef659cbfe4162e28623c1c..62c6f403566f8418e06ed20b0a0f0467c7d8b9ea 100644
--- a/module/VuFind/src/VuFind/Role/PermissionManager.php
+++ b/module/VuFind/src/VuFind/Role/PermissionManager.php
@@ -2,7 +2,7 @@
 /**
  * Permission Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionManagerFactory.php b/module/VuFind/src/VuFind/Role/PermissionManagerFactory.php
index 2c49f73218d3e25240e48afbfadf3c727b099b92..794b33cdfab07a13fd06cd928deb3e0bbd043ff3 100644
--- a/module/VuFind/src/VuFind/Role/PermissionManagerFactory.php
+++ b/module/VuFind/src/VuFind/Role/PermissionManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Permission manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/Factory.php b/module/VuFind/src/VuFind/Role/PermissionProvider/Factory.php
index 7fb33eaab4fa9dbff07867d2f329a8f0cac68c2e..efcfbadf7bd84f1c1b3abfd1e3b8d67a617f6dea 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/Factory.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Permission Provider Factory Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/IpRange.php b/module/VuFind/src/VuFind/Role/PermissionProvider/IpRange.php
index 791cc23b7b96455167f040f7f5f8474c639ff62d..c656736b555648719083d360d17458516677c676 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/IpRange.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/IpRange.php
@@ -2,7 +2,7 @@
 /**
  * IpRange permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/IpRegEx.php b/module/VuFind/src/VuFind/Role/PermissionProvider/IpRegEx.php
index 7c10aecd8346a794e733be3f178303b3d2d173d8..62b688675e1e24f501b14d3563e522d531e7cb27 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/IpRegEx.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/IpRegEx.php
@@ -2,7 +2,7 @@
 /**
  * IpRegEx permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/PermissionProviderInterface.php b/module/VuFind/src/VuFind/Role/PermissionProvider/PermissionProviderInterface.php
index 72ae133737b7ac8edfecd3ec0ae31e97edb15761..0a45af7539551f1ebc4509c44d39ad6b83558e3a 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/PermissionProviderInterface.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/PermissionProviderInterface.php
@@ -2,7 +2,7 @@
 /**
  * Permission provider interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/PluginManager.php b/module/VuFind/src/VuFind/Role/PermissionProvider/PluginManager.php
index 345f1554323709a1370fa78263d34b891a89d13d..be82fd86c0705daad77e4738627836c08860fbaa 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/PluginManager.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Permission provider plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/Role.php b/module/VuFind/src/VuFind/Role/PermissionProvider/Role.php
index 9c817e4ff71d87f90dccadc4fafb31da80b9a8cc..bbe7f7ecac44963dd170fd32711ce79e508b75b9 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/Role.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/Role.php
@@ -2,7 +2,7 @@
 /**
  * Role permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/ServerParam.php b/module/VuFind/src/VuFind/Role/PermissionProvider/ServerParam.php
index 814bbfe1038b44c5ad327e7af2c96ce1048aca10..144be0dd42b02d372b18e4f98647e5721a2f4cb7 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/ServerParam.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/ServerParam.php
@@ -2,7 +2,7 @@
 /**
  * ServerParam permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/Shibboleth.php b/module/VuFind/src/VuFind/Role/PermissionProvider/Shibboleth.php
index 54b4a2bccd2be453aec7623a6def71f410989e63..3f34bbdd34ffd4d4f7d54c9beff1bbdffe922737 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/Shibboleth.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/Shibboleth.php
@@ -2,7 +2,7 @@
 /**
  * Shibboleth permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/User.php b/module/VuFind/src/VuFind/Role/PermissionProvider/User.php
index 19bcae9f4005148f1f611a8d2e4f9c6c31c7ea6f..ecce32c37559bfcc5a5e17baf5466334fb5ec6de 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/User.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/User.php
@@ -2,7 +2,7 @@
 /**
  * User permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Role/PermissionProvider/Username.php b/module/VuFind/src/VuFind/Role/PermissionProvider/Username.php
index 7960de1d5dab7bd6f4816017fb95631c8de003c8..ed69399261f1ced150a244b42f7cedb80c6fd3ac 100644
--- a/module/VuFind/src/VuFind/Role/PermissionProvider/Username.php
+++ b/module/VuFind/src/VuFind/Role/PermissionProvider/Username.php
@@ -2,7 +2,7 @@
 /**
  * Username permission provider for VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/src/VuFind/Route/RouteGenerator.php b/module/VuFind/src/VuFind/Route/RouteGenerator.php
index b9b198e8c656def408dda3544eddbc8d79a64789..e735b28cc4acc075c4d573830ad8ba278de8f657 100644
--- a/module/VuFind/src/VuFind/Route/RouteGenerator.php
+++ b/module/VuFind/src/VuFind/Route/RouteGenerator.php
@@ -2,7 +2,7 @@
 /**
  * Route Generator Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/SMS/AbstractBase.php b/module/VuFind/src/VuFind/SMS/AbstractBase.php
index c8e72036650a0af8c6f2030d5da08656e65c42f7..46d4599e5699eb646158d272fa49e45516e492d8 100644
--- a/module/VuFind/src/VuFind/SMS/AbstractBase.php
+++ b/module/VuFind/src/VuFind/SMS/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Base class to enable sharing of common methods between SMS subclasses
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/SMS/Clickatell.php b/module/VuFind/src/VuFind/SMS/Clickatell.php
index 050f6794c98f8c1fee99941008f198a2ac6952b2..f17d80d34e50aa095d5010ae5cba610ad5d9d007 100644
--- a/module/VuFind/src/VuFind/SMS/Clickatell.php
+++ b/module/VuFind/src/VuFind/SMS/Clickatell.php
@@ -2,7 +2,7 @@
 /**
  * Class for text messaging via Clickatell's HTTP API
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/SMS/Factory.php b/module/VuFind/src/VuFind/SMS/Factory.php
index 8892f42a3fea76525a4348b5088102003fd657f7..4fb0cffb54828930887ee7bdcc7c82f3ff04c45e 100644
--- a/module/VuFind/src/VuFind/SMS/Factory.php
+++ b/module/VuFind/src/VuFind/SMS/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating SMS objects
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/SMS/Mailer.php b/module/VuFind/src/VuFind/SMS/Mailer.php
index 48c1928908a03a853f95cc67b88f4e5852f23fc4..4bbe5fd62004689c9600b1ff406c512be917bb36 100644
--- a/module/VuFind/src/VuFind/SMS/Mailer.php
+++ b/module/VuFind/src/VuFind/SMS/Mailer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Mailer Class for SMS messages
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/SMS/SMSInterface.php b/module/VuFind/src/VuFind/SMS/SMSInterface.php
index 5aeaee3c1eb03121af4b04d543ee4622086b7ca0..558f252c9e1511b4ffa008060404f51e83990870 100644
--- a/module/VuFind/src/VuFind/SMS/SMSInterface.php
+++ b/module/VuFind/src/VuFind/SMS/SMSInterface.php
@@ -2,7 +2,7 @@
 /**
  * Interface for SMS classes.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Search/BackendManager.php b/module/VuFind/src/VuFind/Search/BackendManager.php
index d23fbe2ab51db866e437893982978ff26418fa3b..89d557bce710767b4b9cb2f750057582e43ddf48 100644
--- a/module/VuFind/src/VuFind/Search/BackendManager.php
+++ b/module/VuFind/src/VuFind/Search/BackendManager.php
@@ -3,7 +3,7 @@
 /**
  * Manager for search backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/BackendManagerFactory.php b/module/VuFind/src/VuFind/Search/BackendManagerFactory.php
index 22958ac8e9b303661e59f43c6e1bfe78592a7601..3d3f2d0822c99ef876bd5d96f590d45ea9ed2a79 100644
--- a/module/VuFind/src/VuFind/Search/BackendManagerFactory.php
+++ b/module/VuFind/src/VuFind/Search/BackendManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search Backend Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/BackendRegistry.php b/module/VuFind/src/VuFind/Search/BackendRegistry.php
index f20e8161a047c7de92628d91afa96bae9c8ecd7d..94699f359b8ede1c587865be1078532c2c9bd1b5 100644
--- a/module/VuFind/src/VuFind/Search/BackendRegistry.php
+++ b/module/VuFind/src/VuFind/Search/BackendRegistry.php
@@ -3,7 +3,7 @@
 /**
  * Registry for search backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/Base/Options.php b/module/VuFind/src/VuFind/Search/Base/Options.php
index 670c7f43b21b23d42efdf3d643051217372d697d..66067027688a719ed594480b3999ba092ef2d71c 100644
--- a/module/VuFind/src/VuFind/Search/Base/Options.php
+++ b/module/VuFind/src/VuFind/Search/Base/Options.php
@@ -2,7 +2,7 @@
 /**
  * Abstract options search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Base/Params.php b/module/VuFind/src/VuFind/Search/Base/Params.php
index c1be8950e8be8802519b95d0de37469942106443..79b97e3041b8db14fd08ad77b255567ba6dd003c 100644
--- a/module/VuFind/src/VuFind/Search/Base/Params.php
+++ b/module/VuFind/src/VuFind/Search/Base/Params.php
@@ -2,7 +2,7 @@
 /**
  * Abstract parameters search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Base/Results.php b/module/VuFind/src/VuFind/Search/Base/Results.php
index c01c0976485f6e1927f6e902cf56b3e4113123f5..2dd1b20d980b0b8ab97af47f4f591d60dfd107b7 100644
--- a/module/VuFind/src/VuFind/Search/Base/Results.php
+++ b/module/VuFind/src/VuFind/Search/Base/Results.php
@@ -2,7 +2,7 @@
 /**
  * Abstract results search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/BrowZine/Options.php b/module/VuFind/src/VuFind/Search/BrowZine/Options.php
index bb448de9710ad4eebc0390e1a14f8d37c6c2f6c9..4cb4a1e44f11390b6802384fd921587f9021ce76 100644
--- a/module/VuFind/src/VuFind/Search/BrowZine/Options.php
+++ b/module/VuFind/src/VuFind/Search/BrowZine/Options.php
@@ -2,7 +2,7 @@
 /**
  * BrowZine aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/BrowZine/Params.php b/module/VuFind/src/VuFind/Search/BrowZine/Params.php
index c34dbd73d3683f90574ef993203310cdee6a1f32..5f3000024e49c7a831387151e0cbeee05e1b9f1b 100644
--- a/module/VuFind/src/VuFind/Search/BrowZine/Params.php
+++ b/module/VuFind/src/VuFind/Search/BrowZine/Params.php
@@ -2,7 +2,7 @@
 /**
  * BrowZine aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/BrowZine/Results.php b/module/VuFind/src/VuFind/Search/BrowZine/Results.php
index 96833e4301a8751127ff3ae63258714ec1fe2748..4a77ad77bf555cb650d7a6bc1c755b42f05b5d9e 100644
--- a/module/VuFind/src/VuFind/Search/BrowZine/Results.php
+++ b/module/VuFind/src/VuFind/Search/BrowZine/Results.php
@@ -2,7 +2,7 @@
 /**
  * BrowZine aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/Combined/Options.php b/module/VuFind/src/VuFind/Search/Combined/Options.php
index 35748991640ec710f116225227b3ab2dc4b91cc2..d2dcf6098ea8ee92ce5f66fb0653b2f5dacae0f1 100644
--- a/module/VuFind/src/VuFind/Search/Combined/Options.php
+++ b/module/VuFind/src/VuFind/Search/Combined/Options.php
@@ -2,7 +2,7 @@
 /**
  * Combined search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Combined/Params.php b/module/VuFind/src/VuFind/Search/Combined/Params.php
index 36e99db4ae9ce418008246f9db7400858a579921..e5b82a83ca6526cccf5b6af614a9150f810c930e 100644
--- a/module/VuFind/src/VuFind/Search/Combined/Params.php
+++ b/module/VuFind/src/VuFind/Search/Combined/Params.php
@@ -2,7 +2,7 @@
 /**
  * Combined aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Combined/Results.php b/module/VuFind/src/VuFind/Search/Combined/Results.php
index 0fcd25636810f9f590d7ea622ea7d71230fc6fa3..8ea441310d8e4088a32768b1c5b29328c57407f4 100644
--- a/module/VuFind/src/VuFind/Search/Combined/Results.php
+++ b/module/VuFind/src/VuFind/Search/Combined/Results.php
@@ -2,7 +2,7 @@
 /**
  * Combined results search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/EDS/Options.php b/module/VuFind/src/VuFind/Search/EDS/Options.php
index bfd866933f2d700b2bee47c490a54c587263b58e..6d8726a521150efdd5db4d09e616ec877a02f25c 100644
--- a/module/VuFind/src/VuFind/Search/EDS/Options.php
+++ b/module/VuFind/src/VuFind/Search/EDS/Options.php
@@ -2,7 +2,7 @@
 /**
  * EDS API Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFind/src/VuFind/Search/EDS/OptionsFactory.php b/module/VuFind/src/VuFind/Search/EDS/OptionsFactory.php
index 7780a3717c3d6110422b28e5dee4155d65ba7fc5..3d32117ff0f987b553a69f800c270146f321639e 100644
--- a/module/VuFind/src/VuFind/Search/EDS/OptionsFactory.php
+++ b/module/VuFind/src/VuFind/Search/EDS/OptionsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for EDS search options objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/EDS/Params.php b/module/VuFind/src/VuFind/Search/EDS/Params.php
index 2e00c31e011d5b49df3f6792f81ed0ec91415852..fe1b62460d31e7677239847b1d99e273ebffb5fc 100644
--- a/module/VuFind/src/VuFind/Search/EDS/Params.php
+++ b/module/VuFind/src/VuFind/Search/EDS/Params.php
@@ -2,7 +2,7 @@
 /**
  * EDS API Params
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFind/src/VuFind/Search/EDS/QueryAdapter.php b/module/VuFind/src/VuFind/Search/EDS/QueryAdapter.php
index bc814290f6a527cbdcd920c6f42b6b972aadfd0f..c6db34647329521e35b077d4e2beb231679eaa25 100644
--- a/module/VuFind/src/VuFind/Search/EDS/QueryAdapter.php
+++ b/module/VuFind/src/VuFind/Search/EDS/QueryAdapter.php
@@ -3,7 +3,7 @@
 /**
  * EDS API Query Adapter: search query parameters to AbstractQuery object
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/EDS/Results.php b/module/VuFind/src/VuFind/Search/EDS/Results.php
index f7bcec5bd433bdf3c5d3bbb01cbe6be8dcd3e4b2..2a4de8b6df81b95c9188a720bfff3b8565140e23 100644
--- a/module/VuFind/src/VuFind/Search/EDS/Results.php
+++ b/module/VuFind/src/VuFind/Search/EDS/Results.php
@@ -2,7 +2,7 @@
 /**
  * EDS API Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFind/src/VuFind/Search/EIT/Options.php b/module/VuFind/src/VuFind/Search/EIT/Options.php
index ca4cf69ac141a0aff05c92fa2b65a5cc6d950f45..230d3b5f3c5d52c4a1654fddefea902000dc61e5 100644
--- a/module/VuFind/src/VuFind/Search/EIT/Options.php
+++ b/module/VuFind/src/VuFind/Search/EIT/Options.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO EIT API Search Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/EIT/Params.php b/module/VuFind/src/VuFind/Search/EIT/Params.php
index b1b251907185df117e34a5c0885e157dfa5f77f8..dcb45fd51461bee395df3bd02cf3bf3fb0635fd6 100644
--- a/module/VuFind/src/VuFind/Search/EIT/Params.php
+++ b/module/VuFind/src/VuFind/Search/EIT/Params.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO Search Parameters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/EIT/Results.php b/module/VuFind/src/VuFind/Search/EIT/Results.php
index b9754f1edb75500cc073e2fb6f7666dbd6248666..de7ee5a08a560c1b81325770720bfdfacbbf1cf1 100644
--- a/module/VuFind/src/VuFind/Search/EIT/Results.php
+++ b/module/VuFind/src/VuFind/Search/EIT/Results.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO Search Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/EmptySet/Options.php b/module/VuFind/src/VuFind/Search/EmptySet/Options.php
index 14944ba3f81cd6182f9856e37d0490fd18e837bd..cab5345219c61f4989ee712b4fea6bab2305862e 100644
--- a/module/VuFind/src/VuFind/Search/EmptySet/Options.php
+++ b/module/VuFind/src/VuFind/Search/EmptySet/Options.php
@@ -2,7 +2,7 @@
 /**
  * EmptySet aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/EmptySet/Params.php b/module/VuFind/src/VuFind/Search/EmptySet/Params.php
index 94f83d8abf36760095e2edfb986ad3de068347c3..e7c3c4d5e192ccd3e924babfa566991880790485 100644
--- a/module/VuFind/src/VuFind/Search/EmptySet/Params.php
+++ b/module/VuFind/src/VuFind/Search/EmptySet/Params.php
@@ -2,7 +2,7 @@
 /**
  * EmptySet aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/EmptySet/Results.php b/module/VuFind/src/VuFind/Search/EmptySet/Results.php
index 4915c4e10bb04e9be8cb3081a1283d2f8b4901de..52392ecd0dc5ab62c391f740340b149d12c69c62 100644
--- a/module/VuFind/src/VuFind/Search/EmptySet/Results.php
+++ b/module/VuFind/src/VuFind/Search/EmptySet/Results.php
@@ -2,7 +2,7 @@
 /**
  * Empty Search Object
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/AbstractSolrBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/AbstractSolrBackendFactory.php
index cfd22c3835ad9eccd4e2a9f66bb2d1537452f963..99057578ff517d39c58d2a4d3da075120fcb9ff6 100644
--- a/module/VuFind/src/VuFind/Search/Factory/AbstractSolrBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/AbstractSolrBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Abstract factory for SOLR backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/BrowZineBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/BrowZineBackendFactory.php
index c27ae3bbc913b92d72df2ba8c4dc8bc313c85a5a..13000425e3f2d07e337ea505074e0ee1f6f28aa3 100644
--- a/module/VuFind/src/VuFind/Search/Factory/BrowZineBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/BrowZineBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for BrowZine backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/EITBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/EITBackendFactory.php
index 7c08e4091fbadc0b2f82e5e0d69649c91913996e..6893ce0eaf8911e4825be7fb2ee0543100a40b55 100644
--- a/module/VuFind/src/VuFind/Search/Factory/EITBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/EITBackendFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for EBSCO Integration Toolkit (EIT) backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Julia Bauder 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/EdsBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/EdsBackendFactory.php
index 906e9eb158801730183c397835e966a69c3f3c5f..f3b2cf906f8256a1a733bae581c867a957535898 100644
--- a/module/VuFind/src/VuFind/Search/Factory/EdsBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/EdsBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for EDS backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/LibGuidesBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/LibGuidesBackendFactory.php
index caeb9a9c6ffe3127d0c30329bfd125274a01020d..40437ccd5e1c1559e67b7851edf8d2fe974df5e4 100644
--- a/module/VuFind/src/VuFind/Search/Factory/LibGuidesBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/LibGuidesBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for LibGuides backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/Pazpar2BackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/Pazpar2BackendFactory.php
index 3f1b6660e854d39edcf30e0792e38568b2049022..973e7f6f1931f6ca2eafec4404578a89e89dc302 100644
--- a/module/VuFind/src/VuFind/Search/Factory/Pazpar2BackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/Pazpar2BackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for Pazpar2 backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/PrimoBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/PrimoBackendFactory.php
index 862dcb4ca87c2180dd2e68de37d9edecb9549cde..941d93cfe915bca5d157841a170291952fa70e8b 100644
--- a/module/VuFind/src/VuFind/Search/Factory/PrimoBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/PrimoBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for Primo Central backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/SolrAuthBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/SolrAuthBackendFactory.php
index 4cd87c370747f6cb633e87b406197f3e965d26ce..38fd2b99895b2c83b9970dd118057fda5c328d02 100644
--- a/module/VuFind/src/VuFind/Search/Factory/SolrAuthBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/SolrAuthBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for the authority SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/SolrDefaultBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/SolrDefaultBackendFactory.php
index 0ce8c1721f512255467fa026c363062027fd5265..377d0dae19926922bdfdde062dadb1bccefe1db4 100644
--- a/module/VuFind/src/VuFind/Search/Factory/SolrDefaultBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/SolrDefaultBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for the default SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/SolrReservesBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/SolrReservesBackendFactory.php
index 393c0539b7ee2ec1e1ce84b5b4c8f928311ed949..ac30b4323d8f2db60491e8f888698ca1d9469cca 100644
--- a/module/VuFind/src/VuFind/Search/Factory/SolrReservesBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/SolrReservesBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for the reserves SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/SolrWebBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/SolrWebBackendFactory.php
index 030c8d816c3bb2f88c6814770f2f55bbad082591..3fca7dd01185e470ee5067f7d62335a976454073 100644
--- a/module/VuFind/src/VuFind/Search/Factory/SolrWebBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/SolrWebBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for the website SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/SummonBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/SummonBackendFactory.php
index 52e67ff1fdb7fbcfb778bb35daf13ee7ce1a3f27..45f4811ee56023a6c4e783e97316eb5f99df55e8 100644
--- a/module/VuFind/src/VuFind/Search/Factory/SummonBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/SummonBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for Summon backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/UrlQueryHelperFactory.php b/module/VuFind/src/VuFind/Search/Factory/UrlQueryHelperFactory.php
index b4fa25b3bc4d202836e2de3c948457a52dda3f8b..5888fae74ef4bfe8a133495684dc00865fc711d3 100644
--- a/module/VuFind/src/VuFind/Search/Factory/UrlQueryHelperFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/UrlQueryHelperFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory to build UrlQueryHelper.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Search/Factory/WorldCatBackendFactory.php b/module/VuFind/src/VuFind/Search/Factory/WorldCatBackendFactory.php
index 77aaae251506d461458f8c5e0727328ec97f2e15..92ac5ab10e2e5926f308afdc60dd7e79191a9856 100644
--- a/module/VuFind/src/VuFind/Search/Factory/WorldCatBackendFactory.php
+++ b/module/VuFind/src/VuFind/Search/Factory/WorldCatBackendFactory.php
@@ -3,7 +3,7 @@
 /**
  * Factory for WorldCat backends.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Favorites/Options.php b/module/VuFind/src/VuFind/Search/Favorites/Options.php
index f7ad8daf1d601d5bba0be34f140043aa9c4f0e3f..f11d416cdea90e455e036b4df6e697ba221fbd3c 100644
--- a/module/VuFind/src/VuFind/Search/Favorites/Options.php
+++ b/module/VuFind/src/VuFind/Search/Favorites/Options.php
@@ -2,7 +2,7 @@
 /**
  * Favorites aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Favorites/Params.php b/module/VuFind/src/VuFind/Search/Favorites/Params.php
index ccbc456e07d4d16258e2767031458cdf36e1ef12..339de9ae906dfb850acc369021f6f9ade594111d 100644
--- a/module/VuFind/src/VuFind/Search/Favorites/Params.php
+++ b/module/VuFind/src/VuFind/Search/Favorites/Params.php
@@ -2,7 +2,7 @@
 /**
  * Favorites aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Favorites/Results.php b/module/VuFind/src/VuFind/Search/Favorites/Results.php
index d809b4ccfa1346c718d702179b9080f60ee249de..e5159778756d5d36b53eb82f8596777efe7e512c 100644
--- a/module/VuFind/src/VuFind/Search/Favorites/Results.php
+++ b/module/VuFind/src/VuFind/Search/Favorites/Results.php
@@ -2,7 +2,7 @@
 /**
  * Favorites aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Favorites/ResultsFactory.php b/module/VuFind/src/VuFind/Search/Favorites/ResultsFactory.php
index e3cb366b3601a8080446f96ed93608013bee3b1f..cdb78e616aa1079d4769f1ab74cbccde642d5c69 100644
--- a/module/VuFind/src/VuFind/Search/Favorites/ResultsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Favorites/ResultsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Favorites search results objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/History.php b/module/VuFind/src/VuFind/Search/History.php
index 060e75fef87691fcf8a5f6397a06af074cac146f..2c8be04066057d351adca316b63bdd8d207aa515 100644
--- a/module/VuFind/src/VuFind/Search/History.php
+++ b/module/VuFind/src/VuFind/Search/History.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Search History Helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/HistoryFactory.php b/module/VuFind/src/VuFind/Search/HistoryFactory.php
index 16dd08e1ddc7776fe8c30a0c3bf59205fdd5f604..ac418e347a83240839bdaadf078376955c80e87e 100644
--- a/module/VuFind/src/VuFind/Search/HistoryFactory.php
+++ b/module/VuFind/src/VuFind/Search/HistoryFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search history factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/LibGuides/Options.php b/module/VuFind/src/VuFind/Search/LibGuides/Options.php
index bba8ba0e9b385fb4c68bc58f3b4442d240069b48..14aeaca3ed65e3a4b0553111db4e6b7c4d247fb2 100644
--- a/module/VuFind/src/VuFind/Search/LibGuides/Options.php
+++ b/module/VuFind/src/VuFind/Search/LibGuides/Options.php
@@ -2,7 +2,7 @@
 /**
  * LibGuides aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/LibGuides/Params.php b/module/VuFind/src/VuFind/Search/LibGuides/Params.php
index 92909647a59deab79290277573c9787e7f431b4f..b2821d16be365966359924048cf7ab6338c31f12 100644
--- a/module/VuFind/src/VuFind/Search/LibGuides/Params.php
+++ b/module/VuFind/src/VuFind/Search/LibGuides/Params.php
@@ -2,7 +2,7 @@
 /**
  * LibGuides aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/LibGuides/Results.php b/module/VuFind/src/VuFind/Search/LibGuides/Results.php
index a59f2e3c7d291d5279e309b305a98b0b5352cf85..73f8346ab4fac5137d6f1f0b9b4c865027608a7b 100644
--- a/module/VuFind/src/VuFind/Search/LibGuides/Results.php
+++ b/module/VuFind/src/VuFind/Search/LibGuides/Results.php
@@ -2,7 +2,7 @@
 /**
  * LibGuides aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Memory.php b/module/VuFind/src/VuFind/Search/Memory.php
index 7b34baaac227460de79381e2ad213f6ede6985cd..c2b444ff4647d588f0c02e55584a7eca963802cf 100644
--- a/module/VuFind/src/VuFind/Search/Memory.php
+++ b/module/VuFind/src/VuFind/Search/Memory.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Search Memory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/MemoryFactory.php b/module/VuFind/src/VuFind/Search/MemoryFactory.php
index 665acbbaef92895915ea1d02015eb0e959c8cdab..1e19eb540be7e702869ea6a45416668a08bf0d64 100644
--- a/module/VuFind/src/VuFind/Search/MemoryFactory.php
+++ b/module/VuFind/src/VuFind/Search/MemoryFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search memory factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Minified.php b/module/VuFind/src/VuFind/Search/Minified.php
index 3782fbab817ed027645d2db365aa5cf3cb788982..f4c5f77ff0d0786fc0749e9a8b04b38d88d80996 100644
--- a/module/VuFind/src/VuFind/Search/Minified.php
+++ b/module/VuFind/src/VuFind/Search/Minified.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Minified Search Object
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/MixedList/Options.php b/module/VuFind/src/VuFind/Search/MixedList/Options.php
index 855eee542fac06eb11f1f51a6ce4e7d3ef7a5fef..ff20e056f97882923e2cb4502c80b6df1fadb11e 100644
--- a/module/VuFind/src/VuFind/Search/MixedList/Options.php
+++ b/module/VuFind/src/VuFind/Search/MixedList/Options.php
@@ -2,7 +2,7 @@
 /**
  * Mixed List aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/MixedList/Params.php b/module/VuFind/src/VuFind/Search/MixedList/Params.php
index e3e7948268b843c70ac161ee3c4ac289ee8621ae..8ae44fdd865f1bbda7e00484dbb46af75451e2a0 100644
--- a/module/VuFind/src/VuFind/Search/MixedList/Params.php
+++ b/module/VuFind/src/VuFind/Search/MixedList/Params.php
@@ -2,7 +2,7 @@
 /**
  * Mixed List aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/MixedList/Results.php b/module/VuFind/src/VuFind/Search/MixedList/Results.php
index fbee750c1d068c463569e88f5251bd8b1d443966..e0d5dcb28eaa1d26ab0e8e43722d720a087cdda8 100644
--- a/module/VuFind/src/VuFind/Search/MixedList/Results.php
+++ b/module/VuFind/src/VuFind/Search/MixedList/Results.php
@@ -2,7 +2,7 @@
 /**
  * Mixed List aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Options/OptionsFactory.php b/module/VuFind/src/VuFind/Search/Options/OptionsFactory.php
index cb8762c2752faec8a0749a35f0316190f2045075..e2f1da2d1db9ba6eb35b8bead07f6414e81cbe74 100644
--- a/module/VuFind/src/VuFind/Search/Options/OptionsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Options/OptionsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory for search options objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Options/PluginFactory.php b/module/VuFind/src/VuFind/Search/Options/PluginFactory.php
index 2af0ea5126d028ae4561fa11a2a65a69e3886d16..586152dd6e3fc2d96cdef5c00c550c51b2e5e07d 100644
--- a/module/VuFind/src/VuFind/Search/Options/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Search/Options/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search options plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Options/PluginManager.php b/module/VuFind/src/VuFind/Search/Options/PluginManager.php
index b38bbcbfcd2cd5ef8d5c1b4fbe2948c5ec486ca0..d62266e3304026141a559763b28a9bed2fa8400d 100644
--- a/module/VuFind/src/VuFind/Search/Options/PluginManager.php
+++ b/module/VuFind/src/VuFind/Search/Options/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Search options plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Options/ViewOptionsTrait.php b/module/VuFind/src/VuFind/Search/Options/ViewOptionsTrait.php
index 5209d711af0b43220df208bceb597b6918c0c3a0..5d8b1e13d3118f6bfd724e0b98470747e8b4924c 100644
--- a/module/VuFind/src/VuFind/Search/Options/ViewOptionsTrait.php
+++ b/module/VuFind/src/VuFind/Search/Options/ViewOptionsTrait.php
@@ -3,7 +3,7 @@
  * Trait for setting up view options. Designed to be included in a subclass of
  * \VuFind\Search\Base\Options.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/Search/Params/ParamsFactory.php b/module/VuFind/src/VuFind/Search/Params/ParamsFactory.php
index 0c0914bd4211b4513851d57a87cc55f3585e958a..1cfdfb3bd1d7d6f830ba8ffb50a0690f5822afb6 100644
--- a/module/VuFind/src/VuFind/Search/Params/ParamsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Params/ParamsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory for search params objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Params/PluginFactory.php b/module/VuFind/src/VuFind/Search/Params/PluginFactory.php
index 5c2696697d4578585f5c6968923d723de2787e4a..4c4b7aa45ce8d09dae3b84697fd0c060e1ac2b15 100644
--- a/module/VuFind/src/VuFind/Search/Params/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Search/Params/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search params plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Params/PluginManager.php b/module/VuFind/src/VuFind/Search/Params/PluginManager.php
index 505834c3d87b91fcc3ca254e7e191502846db5e0..e78b79f77b9e2cbffc77f838087e6be6629c3a08 100644
--- a/module/VuFind/src/VuFind/Search/Params/PluginManager.php
+++ b/module/VuFind/src/VuFind/Search/Params/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Search params plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Pazpar2/Options.php b/module/VuFind/src/VuFind/Search/Pazpar2/Options.php
index 79c26bec00b22d74d0e99cbe1088215042c45e3e..69935a6a435b6ae0c0fe97fd89a33182fbde5093 100644
--- a/module/VuFind/src/VuFind/Search/Pazpar2/Options.php
+++ b/module/VuFind/src/VuFind/Search/Pazpar2/Options.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 Search Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Pazpar2/Params.php b/module/VuFind/src/VuFind/Search/Pazpar2/Params.php
index 9b9a9a9b6c81596bb68ed6673e9b2c8a2ba0adc4..0c8f4b8fb6dc61589c75c725459b45a17e198f6d 100644
--- a/module/VuFind/src/VuFind/Search/Pazpar2/Params.php
+++ b/module/VuFind/src/VuFind/Search/Pazpar2/Params.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 Search Parameters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Pazpar2/Results.php b/module/VuFind/src/VuFind/Search/Pazpar2/Results.php
index 555c6258b1fa7eacad972649731d3b8ea22b68c9..eed844b0e3eb478197b86758af5dc6689fbd2544 100644
--- a/module/VuFind/src/VuFind/Search/Pazpar2/Results.php
+++ b/module/VuFind/src/VuFind/Search/Pazpar2/Results.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 Search Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Primo/InjectOnCampusListener.php b/module/VuFind/src/VuFind/Search/Primo/InjectOnCampusListener.php
index 5ed4130ee05f4ccebc95d7f35bf01c51d42b6cc7..7f8fa7f94dd520ea273e10ed5a3e9e034c86bb33 100644
--- a/module/VuFind/src/VuFind/Search/Primo/InjectOnCampusListener.php
+++ b/module/VuFind/src/VuFind/Search/Primo/InjectOnCampusListener.php
@@ -2,7 +2,7 @@
 /**
  * OnCampus listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Primo/Options.php b/module/VuFind/src/VuFind/Search/Primo/Options.php
index 0140dc41df9fc1569f499de30b1c8b280985a955..37e445dccc24701a3fa102f80596b604fefe5984 100644
--- a/module/VuFind/src/VuFind/Search/Primo/Options.php
+++ b/module/VuFind/src/VuFind/Search/Primo/Options.php
@@ -2,7 +2,7 @@
 /**
  * Primo Central Search Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Primo/Params.php b/module/VuFind/src/VuFind/Search/Primo/Params.php
index b5df16efcd2871af93b3003be2f4cf6e64ae55b2..bf966198830239f823fd81ef89e6b4722e161ec4 100644
--- a/module/VuFind/src/VuFind/Search/Primo/Params.php
+++ b/module/VuFind/src/VuFind/Search/Primo/Params.php
@@ -2,7 +2,7 @@
 /**
  * Primo Central Search Parameters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Primo/PrimoPermissionHandler.php b/module/VuFind/src/VuFind/Search/Primo/PrimoPermissionHandler.php
index 8635fc8e24d6f647d3a3716cf73d1fc155c9aca0..f35293a55e60380d94b84e99e0d24c9cc3668712 100644
--- a/module/VuFind/src/VuFind/Search/Primo/PrimoPermissionHandler.php
+++ b/module/VuFind/src/VuFind/Search/Primo/PrimoPermissionHandler.php
@@ -2,7 +2,7 @@
 /**
  * Primo Permission Handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Primo/Results.php b/module/VuFind/src/VuFind/Search/Primo/Results.php
index c6f2d2eec8c109e7a1bfb9fcafdb784312fbac82..6565d7100f06ddd3b4598f3d86c636df79b7aa1b 100644
--- a/module/VuFind/src/VuFind/Search/Primo/Results.php
+++ b/module/VuFind/src/VuFind/Search/Primo/Results.php
@@ -2,7 +2,7 @@
 /**
  * Primo Central Search Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/QueryAdapter.php b/module/VuFind/src/VuFind/Search/QueryAdapter.php
index 2eb56c27719f3d291537d5c918ea84c2acd848ae..ca0f4fcbb356ea59194d12d2d59f9f22cd1bceba 100644
--- a/module/VuFind/src/VuFind/Search/QueryAdapter.php
+++ b/module/VuFind/src/VuFind/Search/QueryAdapter.php
@@ -3,7 +3,7 @@
 /**
  * Legacy adapter: search query parameters to AbstractQuery object
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/RecommendListener.php b/module/VuFind/src/VuFind/Search/RecommendListener.php
index 89405e1392b241fb2f6de2a9cb3b10cafdb44c6e..85ac18478b469a6b1fb0cf7d5661171bbfc6d055 100644
--- a/module/VuFind/src/VuFind/Search/RecommendListener.php
+++ b/module/VuFind/src/VuFind/Search/RecommendListener.php
@@ -3,7 +3,7 @@
 /**
  * Recommend listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Results/PluginFactory.php b/module/VuFind/src/VuFind/Search/Results/PluginFactory.php
index 4ba789a2b33126d024ca6be613e3144330c5e40c..022d9c17d8960f7d8bdbcaa4a31e8195072d0ca6 100644
--- a/module/VuFind/src/VuFind/Search/Results/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Search/Results/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search results plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Results/PluginManager.php b/module/VuFind/src/VuFind/Search/Results/PluginManager.php
index cc4bfc8289fdaaefd1a5ba5494c9e4e8b989fb06..18ef86f9562f276a0ec9e3f019ba2f182db0d289 100644
--- a/module/VuFind/src/VuFind/Search/Results/PluginManager.php
+++ b/module/VuFind/src/VuFind/Search/Results/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Search results plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Results/ResultsFactory.php b/module/VuFind/src/VuFind/Search/Results/ResultsFactory.php
index 1e3cf4546860390d4b8c008df7e186599546bd6d..fe05add028f170b2a9ee03e06f06b8b42974e739 100644
--- a/module/VuFind/src/VuFind/Search/Results/ResultsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Results/ResultsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory for search results objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/SearchRunner.php b/module/VuFind/src/VuFind/Search/SearchRunner.php
index a218d4cf1bda9724a5c371097e581edcc7c2b4b4..53a08fc0c19b06b83e67c72e7b3519826c7eb327 100644
--- a/module/VuFind/src/VuFind/Search/SearchRunner.php
+++ b/module/VuFind/src/VuFind/Search/SearchRunner.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Search Runner
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SearchRunnerFactory.php b/module/VuFind/src/VuFind/Search/SearchRunnerFactory.php
index 3e72fdefa822eccf44827dee75c063aff5d4973b..d7ed6bd3b979aa765b157beddf2b7a422edbab83 100644
--- a/module/VuFind/src/VuFind/Search/SearchRunnerFactory.php
+++ b/module/VuFind/src/VuFind/Search/SearchRunnerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search runner factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/SearchTabsHelper.php b/module/VuFind/src/VuFind/Search/SearchTabsHelper.php
index b15a16f094eed84fff780176ad8a5aa3a1bd6e5e..999fa728163ed762ff9a3a79c4b44d69b90615a4 100644
--- a/module/VuFind/src/VuFind/Search/SearchTabsHelper.php
+++ b/module/VuFind/src/VuFind/Search/SearchTabsHelper.php
@@ -2,7 +2,7 @@
 /**
  * "Search tabs" helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015-2016.
diff --git a/module/VuFind/src/VuFind/Search/SearchTabsHelperFactory.php b/module/VuFind/src/VuFind/Search/SearchTabsHelperFactory.php
index 01db7d712d594ec80086b4bfd510000dab13086b..932742f3da709eae517fe5842c8e7d9f169fef4a 100644
--- a/module/VuFind/src/VuFind/Search/SearchTabsHelperFactory.php
+++ b/module/VuFind/src/VuFind/Search/SearchTabsHelperFactory.php
@@ -2,7 +2,7 @@
 /**
  * Search tabs helper factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/AbstractErrorListener.php b/module/VuFind/src/VuFind/Search/Solr/AbstractErrorListener.php
index d64c88e9245b779fe814154b83088787d949ed4c..b54da8be1e8361a6b0f636dfd550b853836ea609 100644
--- a/module/VuFind/src/VuFind/Search/Solr/AbstractErrorListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/AbstractErrorListener.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class of SOLR error listeners.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/DeduplicationListener.php b/module/VuFind/src/VuFind/Search/Solr/DeduplicationListener.php
index bde36ec2cd19e64ae69a0208e12272e7f3796497..37869df1ff74d68d2622b05ac9927dab2487c771 100644
--- a/module/VuFind/src/VuFind/Search/Solr/DeduplicationListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/DeduplicationListener.php
@@ -3,7 +3,7 @@
 /**
  * Solr deduplication (merged records) listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  * Copyright (C) The National Library of Finland 2013.
diff --git a/module/VuFind/src/VuFind/Search/Solr/FilterFieldConversionListener.php b/module/VuFind/src/VuFind/Search/Solr/FilterFieldConversionListener.php
index b4f4b2b4af3c9d86e5e89618c3a3883f08f35f15..0e93fb8c8ed622eaa3679a3d32a809cdf9e9604c 100644
--- a/module/VuFind/src/VuFind/Search/Solr/FilterFieldConversionListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/FilterFieldConversionListener.php
@@ -3,7 +3,7 @@
 /**
  * Listener to convert one field to another in filters (for legacy purposes).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/HideFacetValueListener.php b/module/VuFind/src/VuFind/Search/Solr/HideFacetValueListener.php
index bc05cf35621cff3fa759f7cde7e680be23292427..f3939d53f84334dc4af5053af6a2f91883ae4c6f 100644
--- a/module/VuFind/src/VuFind/Search/Solr/HideFacetValueListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/HideFacetValueListener.php
@@ -2,7 +2,7 @@
 /**
  * Hide values of facet for displaying
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2014.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetHelper.php b/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetHelper.php
index 980e7cf9cead13905a6b88a6ab04c509e94b219a..41ded201203ecd17b50a536852a029f1d0b722f7 100644
--- a/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetHelper.php
+++ b/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetHelper.php
@@ -2,7 +2,7 @@
 /**
  * Facet Helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2014.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetListener.php b/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetListener.php
index 0f3f1e2cec331878bd93a87b5dcba7bc321c8848..3438a3683b42cf7daf2aa4f5bdf0869c3c991ae3 100644
--- a/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/HierarchicalFacetListener.php
@@ -3,7 +3,7 @@
 /**
  * Solr hierarchical facet listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  * Copyright (C) The National Library of Finland 2014.
diff --git a/module/VuFind/src/VuFind/Search/Solr/InjectConditionalFilterListener.php b/module/VuFind/src/VuFind/Search/Solr/InjectConditionalFilterListener.php
index e0be57820e2588ee5db9ece74f6b3670fa0324cb..fe2c42352c52dca5e99591d4870d5105317655fe 100644
--- a/module/VuFind/src/VuFind/Search/Solr/InjectConditionalFilterListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/InjectConditionalFilterListener.php
@@ -3,7 +3,7 @@
 /**
  * Conditional Filter listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/InjectHighlightingListener.php b/module/VuFind/src/VuFind/Search/Solr/InjectHighlightingListener.php
index 31dfde26c371e4072f39108a9aa0bd196fdac764..8f9c970eabd6afae89c2ad145edb2595bca42dbf 100644
--- a/module/VuFind/src/VuFind/Search/Solr/InjectHighlightingListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/InjectHighlightingListener.php
@@ -3,7 +3,7 @@
 /**
  * Solr highlighting listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/InjectSpellingListener.php b/module/VuFind/src/VuFind/Search/Solr/InjectSpellingListener.php
index 8d9880a5b6e1005cf39530dc968da816629a3535..9816dbeef4b9f2ba92e69383c31ee98039f6f795 100644
--- a/module/VuFind/src/VuFind/Search/Solr/InjectSpellingListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/InjectSpellingListener.php
@@ -3,7 +3,7 @@
 /**
  * Solr spelling listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/MultiIndexListener.php b/module/VuFind/src/VuFind/Search/Solr/MultiIndexListener.php
index 1de34a9fe52f824413b2daa5a160759aa39e2264..57c776a2e8b7d67c1eaaf89219885a178ffd1459 100644
--- a/module/VuFind/src/VuFind/Search/Solr/MultiIndexListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/MultiIndexListener.php
@@ -3,7 +3,7 @@
 /**
  * MultiIndex listener class file.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/Options.php b/module/VuFind/src/VuFind/Search/Solr/Options.php
index cc5e1311d0117bac31f0a51ae993ccd96dfc51f0..236afca7f484b1af3d42e3fd73bd791b7aa0e0ec 100644
--- a/module/VuFind/src/VuFind/Search/Solr/Options.php
+++ b/module/VuFind/src/VuFind/Search/Solr/Options.php
@@ -2,7 +2,7 @@
 /**
  * Solr aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/Params.php b/module/VuFind/src/VuFind/Search/Solr/Params.php
index c95c202cfe7d6549e3a6802ce6520d2f1688498b..87efc2b6cef4c62c6839a54de582c2abb03c69bf 100644
--- a/module/VuFind/src/VuFind/Search/Solr/Params.php
+++ b/module/VuFind/src/VuFind/Search/Solr/Params.php
@@ -2,7 +2,7 @@
 /**
  * Solr aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/ParamsFactory.php b/module/VuFind/src/VuFind/Search/Solr/ParamsFactory.php
index b719c88b473a48f36dd0c810e2f4ab4b0cdd2383..5e6fa1aed652826cd33bb0f5c8640c933c9deeea 100644
--- a/module/VuFind/src/VuFind/Search/Solr/ParamsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Solr/ParamsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Solr search params objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/Results.php b/module/VuFind/src/VuFind/Search/Solr/Results.php
index bd87df9d60aaa5a07afa476e6104eada7d20cd50..83bdb021061652584ecd4297b3a3d3668d449792 100644
--- a/module/VuFind/src/VuFind/Search/Solr/Results.php
+++ b/module/VuFind/src/VuFind/Search/Solr/Results.php
@@ -2,7 +2,7 @@
 /**
  * Solr aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/ResultsFactory.php b/module/VuFind/src/VuFind/Search/Solr/ResultsFactory.php
index a031fee32c5106d4e17d78aec135f32b20d07b4a..474f6944a95fc8945dc069c1da2a2ddb7c68b038 100644
--- a/module/VuFind/src/VuFind/Search/Solr/ResultsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Solr/ResultsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Solr search results objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/SpellingProcessor.php b/module/VuFind/src/VuFind/Search/Solr/SpellingProcessor.php
index 45f32ff4ee0cc19b916215d0ba89307b564d7294..c8dc0339af03a8a87397c384b9666c5ad3e6a3a3 100644
--- a/module/VuFind/src/VuFind/Search/Solr/SpellingProcessor.php
+++ b/module/VuFind/src/VuFind/Search/Solr/SpellingProcessor.php
@@ -2,7 +2,7 @@
 /**
  * Solr spelling processor.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/V3/ErrorListener.php b/module/VuFind/src/VuFind/Search/Solr/V3/ErrorListener.php
index f27dd86a921b1c1a843f2f9788062315fb7ff4ce..f9c789ab2b8cca50c45671762f74bfa26af7ad12 100644
--- a/module/VuFind/src/VuFind/Search/Solr/V3/ErrorListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/V3/ErrorListener.php
@@ -3,7 +3,7 @@
 /**
  * SOLR 3.x error listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/Solr/V4/ErrorListener.php b/module/VuFind/src/VuFind/Search/Solr/V4/ErrorListener.php
index 07e9e666882c4cb4df51c85cfbc91e8f8f41e75a..c34e0fcb184e90123389b982d926c9d6c6a3f1cd 100644
--- a/module/VuFind/src/VuFind/Search/Solr/V4/ErrorListener.php
+++ b/module/VuFind/src/VuFind/Search/Solr/V4/ErrorListener.php
@@ -3,7 +3,7 @@
 /**
  * SOLR 4.x error listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuth/Options.php b/module/VuFind/src/VuFind/Search/SolrAuth/Options.php
index 4db4a16228c4e5fc418e309169cdf43a684291ad..d28eb2e6d2d91c5a6b07913aca8889f2e12b8ccf 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuth/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuth/Options.php
@@ -2,7 +2,7 @@
 /**
  * Solr Authority aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuth/Params.php b/module/VuFind/src/VuFind/Search/SolrAuth/Params.php
index 231df92091baeac48247251bad2db3b2b41fe5e8..b4470567affd4e0b0c4e692381262aed5369093a 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuth/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuth/Params.php
@@ -2,7 +2,7 @@
 /**
  * Solr Authority aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuth/Results.php b/module/VuFind/src/VuFind/Search/SolrAuth/Results.php
index dd664aa6369bb19668a8bc812089610e4641969d..df86e8c891e77f6ab9ef48a6c32c874cf1b2d249 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuth/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuth/Results.php
@@ -2,7 +2,7 @@
 /**
  * Solr Authority aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthor/Options.php b/module/VuFind/src/VuFind/Search/SolrAuthor/Options.php
index 240c8faa19ff0ee4a5b6e6d837189d86b4cd89aa..b2e8c2050505a064c5924a5f06c15c330ade922b 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthor/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthor/Options.php
@@ -2,7 +2,7 @@
 /**
  * Author aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthor/Params.php b/module/VuFind/src/VuFind/Search/SolrAuthor/Params.php
index d0c1c3abe9ddc977cbf4af574b5035725d05f9e4..de87f2dcf80565079f324e251a3ee6c925239c77 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthor/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthor/Params.php
@@ -2,7 +2,7 @@
 /**
  * Author aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthor/Results.php b/module/VuFind/src/VuFind/Search/SolrAuthor/Results.php
index 45e137baf0477fd21a846db4f73cd93e96105806..87d9e5c61f81292072948cb8514a138ec9b75eab 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthor/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthor/Results.php
@@ -2,7 +2,7 @@
 /**
  * Author aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Options.php b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Options.php
index 0e38efe8dd3c6fb2aff8d0d828cdca0babe2d981..052d07e629dcaaceacd2da632b922a8460674c5d 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Options.php
@@ -2,7 +2,7 @@
 /**
  * AuthorFacets aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Params.php b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Params.php
index 525984c55a754c940db1e18c31eb892441b71138..19f54d74edaa22e3ddb6938a775f9c85b5a04ed0 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Params.php
@@ -2,7 +2,7 @@
 /**
  * AuthorFacets aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Results.php b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Results.php
index d842355edd0303bfd1d5e453ba2cd0a1a475efb9..df1313e83980abf4e344d4f3b0a7e184a2bc785f 100644
--- a/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrAuthorFacets/Results.php
@@ -2,7 +2,7 @@
 /**
  * AuthorFacets aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrCollection/Options.php b/module/VuFind/src/VuFind/Search/SolrCollection/Options.php
index 630ae12dd7cc9596375af4bf0215eeb3f1a66fa6..3ee2b5066a713d372baa9c3f4cb1f217e0860289 100644
--- a/module/VuFind/src/VuFind/Search/SolrCollection/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrCollection/Options.php
@@ -2,7 +2,7 @@
 /**
  * Solr Collection aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrCollection/Params.php b/module/VuFind/src/VuFind/Search/SolrCollection/Params.php
index ed9adb96054607170a1f9ac8b6db0fe673a79df0..046557c3d573d51bbc220531d694d88838bf7368 100644
--- a/module/VuFind/src/VuFind/Search/SolrCollection/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrCollection/Params.php
@@ -2,7 +2,7 @@
 /**
  * Solr Collection aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrCollection/Results.php b/module/VuFind/src/VuFind/Search/SolrCollection/Results.php
index fb6a977d47843d2cf6232a735e897f5bf1896577..dc755276f9e73c2cab2843bb250759f831c3bdfc 100644
--- a/module/VuFind/src/VuFind/Search/SolrCollection/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrCollection/Results.php
@@ -2,7 +2,7 @@
 /**
  * Solr Collection aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrReserves/Options.php b/module/VuFind/src/VuFind/Search/SolrReserves/Options.php
index 47231216d96ed097afb5ffc7449c0ff5637b3516..3a29c69829d1a99e1afacc08b0cec9b81eee59ef 100644
--- a/module/VuFind/src/VuFind/Search/SolrReserves/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrReserves/Options.php
@@ -2,7 +2,7 @@
 /**
  * Solr Reserves aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrReserves/Params.php b/module/VuFind/src/VuFind/Search/SolrReserves/Params.php
index 62248b08eea0a55d7db3dc288b72d09ff12deae0..c115b436aa8e3158aee83dfc3b40127aa56e6308 100644
--- a/module/VuFind/src/VuFind/Search/SolrReserves/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrReserves/Params.php
@@ -2,7 +2,7 @@
 /**
  * Solr Reserves aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrReserves/Results.php b/module/VuFind/src/VuFind/Search/SolrReserves/Results.php
index 421498f2ce54671b9c1975474ba1fe6d46495eed..404b235784347d0e17a09f346103fcd09eee8cee 100644
--- a/module/VuFind/src/VuFind/Search/SolrReserves/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrReserves/Results.php
@@ -2,7 +2,7 @@
 /**
  * Solr Reserves aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrWeb/Options.php b/module/VuFind/src/VuFind/Search/SolrWeb/Options.php
index 33ab274b4405db496a8aa05f3384546de136b7f1..467af38375a91aad813dfdf040faabd16437cf0f 100644
--- a/module/VuFind/src/VuFind/Search/SolrWeb/Options.php
+++ b/module/VuFind/src/VuFind/Search/SolrWeb/Options.php
@@ -2,7 +2,7 @@
 /**
  * Solr Web aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrWeb/Params.php b/module/VuFind/src/VuFind/Search/SolrWeb/Params.php
index b028a5ba8d6a2d073cfe7a1b24130584d5c15e79..6f4bd1d8cfc615b871cfc1c98f78d6236a2922eb 100644
--- a/module/VuFind/src/VuFind/Search/SolrWeb/Params.php
+++ b/module/VuFind/src/VuFind/Search/SolrWeb/Params.php
@@ -2,7 +2,7 @@
 /**
  * Solr Web aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/SolrWeb/Results.php b/module/VuFind/src/VuFind/Search/SolrWeb/Results.php
index 8090d806671154e41761d5072901568e69d0db22..df4f375295ce07c2ca84ead5eae8f997299db5e0 100644
--- a/module/VuFind/src/VuFind/Search/SolrWeb/Results.php
+++ b/module/VuFind/src/VuFind/Search/SolrWeb/Results.php
@@ -2,7 +2,7 @@
 /**
  * Solr Web aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Summon/Options.php b/module/VuFind/src/VuFind/Search/Summon/Options.php
index bd1c50eff4376437c2fd60ea64a2419ba09a6dd3..ac5fb409c1c9c2cd8452bc2bd373985aa6c567e9 100644
--- a/module/VuFind/src/VuFind/Search/Summon/Options.php
+++ b/module/VuFind/src/VuFind/Search/Summon/Options.php
@@ -2,7 +2,7 @@
 /**
  * Summon Search Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Summon/Params.php b/module/VuFind/src/VuFind/Search/Summon/Params.php
index 66327623ab7820a0935a2275e346c030ccd1c55a..b90242bf8a5381e3b5c75ddd3429dcd96f6db434 100644
--- a/module/VuFind/src/VuFind/Search/Summon/Params.php
+++ b/module/VuFind/src/VuFind/Search/Summon/Params.php
@@ -2,7 +2,7 @@
 /**
  * Summon Search Parameters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Summon/Results.php b/module/VuFind/src/VuFind/Search/Summon/Results.php
index 2fae00f1e2aa44f381c5e3344de1dac53a531caf..78f1fea14348ca11610d2aa6a6860405d03adf1d 100644
--- a/module/VuFind/src/VuFind/Search/Summon/Results.php
+++ b/module/VuFind/src/VuFind/Search/Summon/Results.php
@@ -2,7 +2,7 @@
 /**
  * Summon Search Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/Tags/Options.php b/module/VuFind/src/VuFind/Search/Tags/Options.php
index 665321e7a3130349de2e56626ba8c1827fc817fe..5fd63400ee3efce21b853642572d9f1785449257 100644
--- a/module/VuFind/src/VuFind/Search/Tags/Options.php
+++ b/module/VuFind/src/VuFind/Search/Tags/Options.php
@@ -2,7 +2,7 @@
 /**
  * Tags aspect of the Search Multi-class (Options)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Tags/Params.php b/module/VuFind/src/VuFind/Search/Tags/Params.php
index cdbf1908095a5a8c31bb9f34702673f65b226d61..2932b867c6a053f4ee04ef998bc71dc9dfc41388 100644
--- a/module/VuFind/src/VuFind/Search/Tags/Params.php
+++ b/module/VuFind/src/VuFind/Search/Tags/Params.php
@@ -2,7 +2,7 @@
 /**
  * Tags aspect of the Search Multi-class (Params)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Tags/Results.php b/module/VuFind/src/VuFind/Search/Tags/Results.php
index d059f08bee002f4903e74d716942196b6b78d75e..b654ad803efb76b9438c253749f1e7744eded3d4 100644
--- a/module/VuFind/src/VuFind/Search/Tags/Results.php
+++ b/module/VuFind/src/VuFind/Search/Tags/Results.php
@@ -2,7 +2,7 @@
 /**
  * Tags aspect of the Search Multi-class (Results)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/Tags/ResultsFactory.php b/module/VuFind/src/VuFind/Search/Tags/ResultsFactory.php
index 2ab75ad91b9776b33cd893fbc01f021a7c200fec..513966b94b2153953ae89d88e2efca41d96b76b9 100644
--- a/module/VuFind/src/VuFind/Search/Tags/ResultsFactory.php
+++ b/module/VuFind/src/VuFind/Search/Tags/ResultsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Tags search results objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Search/UrlQueryHelper.php b/module/VuFind/src/VuFind/Search/UrlQueryHelper.php
index eed2af05fa566641a009034637f63f9c62611ae7..61e2e0500169afe1cfb3ccd7a8d2602845e7be6f 100644
--- a/module/VuFind/src/VuFind/Search/UrlQueryHelper.php
+++ b/module/VuFind/src/VuFind/Search/UrlQueryHelper.php
@@ -2,7 +2,7 @@
 /**
  * Class to help build URLs and forms in the view based on search settings.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Search/WorldCat/Options.php b/module/VuFind/src/VuFind/Search/WorldCat/Options.php
index f16ccd0fb614c30bca4a9f6e95084f7b5b15b511..7e2773c819728cbdc0a41ae32ff65a91a53146aa 100644
--- a/module/VuFind/src/VuFind/Search/WorldCat/Options.php
+++ b/module/VuFind/src/VuFind/Search/WorldCat/Options.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Search Options
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/WorldCat/Params.php b/module/VuFind/src/VuFind/Search/WorldCat/Params.php
index d2a8411f53e535711646a57829476975d33d353c..ae0482e8462568674ddcb24fb80a52f18771adf6 100644
--- a/module/VuFind/src/VuFind/Search/WorldCat/Params.php
+++ b/module/VuFind/src/VuFind/Search/WorldCat/Params.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Search Parameters
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/WorldCat/Results.php b/module/VuFind/src/VuFind/Search/WorldCat/Results.php
index c7a54f1b36f12000b8158a56af52225528ee5260..8b98ffa18027aa693f4228c769691ccb8bce5d60 100644
--- a/module/VuFind/src/VuFind/Search/WorldCat/Results.php
+++ b/module/VuFind/src/VuFind/Search/WorldCat/Results.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Search Results
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/Search/minSO.php b/module/VuFind/src/VuFind/Search/minSO.php
index aff83f8c8169f8910eb439c6e2784a4065af8b37..ee1dcdf6297261e5907ac3c1486a5b0532ef7799 100644
--- a/module/VuFind/src/VuFind/Search/minSO.php
+++ b/module/VuFind/src/VuFind/Search/minSO.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Minified Search Object
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Service/Factory.php b/module/VuFind/src/VuFind/Service/Factory.php
index d141178a6b32860f5922e0da00508d6d81bf8c43..ec700667adabe2a503740653cb09770d30629c56 100644
--- a/module/VuFind/src/VuFind/Service/Factory.php
+++ b/module/VuFind/src/VuFind/Service/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for various top-level VuFind services.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/Service/ReCaptcha.php b/module/VuFind/src/VuFind/Service/ReCaptcha.php
index fc2a3c2ae81c5028cd25702838e97ab0d84af4b2..b4126a6b7cfb856ea198ebc82701387a4becf5e9 100644
--- a/module/VuFind/src/VuFind/Service/ReCaptcha.php
+++ b/module/VuFind/src/VuFind/Service/ReCaptcha.php
@@ -2,7 +2,7 @@
 /**
  * Recaptcha service
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Service/ReCaptchaFactory.php b/module/VuFind/src/VuFind/Service/ReCaptchaFactory.php
index 0df5c49706e85c15d497bdbc7ec0395b5a10e082..3719d3e7c7492e072d436d36405be442b4f2f7ab 100644
--- a/module/VuFind/src/VuFind/Service/ReCaptchaFactory.php
+++ b/module/VuFind/src/VuFind/Service/ReCaptchaFactory.php
@@ -2,7 +2,7 @@
 /**
  * ReCaptcha factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Service/ServiceWithConfigIniFactory.php b/module/VuFind/src/VuFind/Service/ServiceWithConfigIniFactory.php
index abe5b577ca08e769cd14f2fd15d0f013c202c7dc..ecba0637e88df1663e3ba37586c59e8ba6e242f0 100644
--- a/module/VuFind/src/VuFind/Service/ServiceWithConfigIniFactory.php
+++ b/module/VuFind/src/VuFind/Service/ServiceWithConfigIniFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generic factory to constructor-inject the config.ini settings.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginFactory.php b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginFactory.php
index 4e5815968f8d7edda45e5278474da9efae4461fb..66004153b1803c8f89087a31c0cec2797a34d893 100644
--- a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginFactory.php
+++ b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Abstract Plugin Factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManager.php b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManager.php
index 11043e237c62c8c58b6a46b200da397e24a7ad84..fb6c94ef2eab7f9d5c7428462677d5dde1288a37 100644
--- a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManager.php
+++ b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManager.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Plugin Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManagerFactory.php b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManagerFactory.php
index 10dc9f2a9e92835c9506dd7f6824af7bf27dd7e8..de8271911d08037f4965e1bef0ab68b12101ddee 100644
--- a/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManagerFactory.php
+++ b/module/VuFind/src/VuFind/ServiceManager/AbstractPluginManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Plugin Manager factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/ServiceManager/LowerCaseServiceNameTrait.php b/module/VuFind/src/VuFind/ServiceManager/LowerCaseServiceNameTrait.php
index f0c7feb75eb8eec7df0f61cde3abffb16fecbc81..6bd42475c7e73356305e5d584c100381562d96d1 100644
--- a/module/VuFind/src/VuFind/ServiceManager/LowerCaseServiceNameTrait.php
+++ b/module/VuFind/src/VuFind/ServiceManager/LowerCaseServiceNameTrait.php
@@ -3,7 +3,7 @@
  * Trait for plugin managers that allows service names to be normalized to lowercase
  * (for backward compatibility with ServiceManager v2).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/ServiceManager/ServiceInitializer.php b/module/VuFind/src/VuFind/ServiceManager/ServiceInitializer.php
index 712bc8aada1ef95bf69e65841e6f8bd20c2f5214..f383c4515acf300f34ca34169ecde0d9b516160d 100644
--- a/module/VuFind/src/VuFind/ServiceManager/ServiceInitializer.php
+++ b/module/VuFind/src/VuFind/ServiceManager/ServiceInitializer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Service Initializer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/AbstractBase.php b/module/VuFind/src/VuFind/Session/AbstractBase.php
index 2120127b16049376771443108e73d2645761fce6..cf4654f544f237bff5c695f835aaac17c8a2435d 100644
--- a/module/VuFind/src/VuFind/Session/AbstractBase.php
+++ b/module/VuFind/src/VuFind/Session/AbstractBase.php
@@ -2,7 +2,7 @@
 /**
  * Base class for session handling
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/Database.php b/module/VuFind/src/VuFind/Session/Database.php
index 7964f541cdedbc56befaac2b03dc4b0e7b599be3..da9b7f3ea1faaea0d633430385449a6fdc93fe0c 100644
--- a/module/VuFind/src/VuFind/Session/Database.php
+++ b/module/VuFind/src/VuFind/Session/Database.php
@@ -2,7 +2,7 @@
 /**
  * Database session handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/File.php b/module/VuFind/src/VuFind/Session/File.php
index 17d5cefc0db113c6023414a08e0b9befc4cf45c5..a4773f693a0e6f6994e12e9144a5b971df599627 100644
--- a/module/VuFind/src/VuFind/Session/File.php
+++ b/module/VuFind/src/VuFind/Session/File.php
@@ -2,7 +2,7 @@
 /**
  * File-based session handler
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/ManagerFactory.php b/module/VuFind/src/VuFind/Session/ManagerFactory.php
index d1e50b6278bea6f33a7963b3123dbc056f4fef6c..302aec1bf00b37e052f1a0188b587db7a9dd2b27 100644
--- a/module/VuFind/src/VuFind/Session/ManagerFactory.php
+++ b/module/VuFind/src/VuFind/Session/ManagerFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for instantiating Session Manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/Session/Memcache.php b/module/VuFind/src/VuFind/Session/Memcache.php
index 10d3f12e14ac568678b853a0534e54f8829f36c2..97b81134c6ec61c636063bb760a8ba8ab338a00a 100644
--- a/module/VuFind/src/VuFind/Session/Memcache.php
+++ b/module/VuFind/src/VuFind/Session/Memcache.php
@@ -5,7 +5,7 @@
  * Note: This relies on PHP's Memcache extension
  * (see http://us.php.net/manual/en/book.memcache.php)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/PluginFactory.php b/module/VuFind/src/VuFind/Session/PluginFactory.php
index 55b19de2c1e3004bc774f4e3eef6458bf3403ecb..3e8b10ae5770dacf8086af720d406066edb23329 100644
--- a/module/VuFind/src/VuFind/Session/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Session/PluginFactory.php
@@ -2,7 +2,7 @@
 /**
  * Session handler plugin factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/PluginManager.php b/module/VuFind/src/VuFind/Session/PluginManager.php
index ec5c485296a628ff0d6f138cc84844f2c09076d7..6579c49319e5a8118640a47c6a48aa2a876af6d5 100644
--- a/module/VuFind/src/VuFind/Session/PluginManager.php
+++ b/module/VuFind/src/VuFind/Session/PluginManager.php
@@ -2,7 +2,7 @@
 /**
  * Session handler plugin manager
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Session/Settings.php b/module/VuFind/src/VuFind/Session/Settings.php
index 55bbef4ab98d5195a163c4ca6769672034f3cce4..35591025ef50689d89b19299ac18e67226af5c7e 100644
--- a/module/VuFind/src/VuFind/Session/Settings.php
+++ b/module/VuFind/src/VuFind/Session/Settings.php
@@ -5,7 +5,7 @@
  * instantiating the session itself. See \VuFind\Session\ManagerFactory for
  * details on the use of this object.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/SimpleXML.php b/module/VuFind/src/VuFind/SimpleXML.php
index e9e7ad2359ed889be5984bb7540ae7fbc1509042..20b8912df9056f84e861face6efdb1b27d4429c5 100644
--- a/module/VuFind/src/VuFind/SimpleXML.php
+++ b/module/VuFind/src/VuFind/SimpleXML.php
@@ -2,7 +2,7 @@
 /**
  * VuFind SimpleXML enhancement functionality
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2009.
  *
diff --git a/module/VuFind/src/VuFind/Sitemap/AbstractFile.php b/module/VuFind/src/VuFind/Sitemap/AbstractFile.php
index eac5e5537229f4a03f80f6d895a814e124b8d286..f395ac846d5e709720fc56964ebb6374712b0960 100644
--- a/module/VuFind/src/VuFind/Sitemap/AbstractFile.php
+++ b/module/VuFind/src/VuFind/Sitemap/AbstractFile.php
@@ -2,7 +2,7 @@
 /**
  * Abstract class for representing XML sitemaps
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Sitemap/Generator.php b/module/VuFind/src/VuFind/Sitemap/Generator.php
index 227bb460518eb32eb5225c83ed2e5a0788e375fe..c891288689075b18b417133c41129d3f0472ee81 100644
--- a/module/VuFind/src/VuFind/Sitemap/Generator.php
+++ b/module/VuFind/src/VuFind/Sitemap/Generator.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Sitemap
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Sitemap/Sitemap.php b/module/VuFind/src/VuFind/Sitemap/Sitemap.php
index 6585efe13e1e0eb7adfe838593ed30a5e91e31bc..23ca9bccfde7db4cf74b5caf760f222b577f9425 100644
--- a/module/VuFind/src/VuFind/Sitemap/Sitemap.php
+++ b/module/VuFind/src/VuFind/Sitemap/Sitemap.php
@@ -2,7 +2,7 @@
 /**
  * Class for representing sitemap files
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Sitemap/SitemapIndex.php b/module/VuFind/src/VuFind/Sitemap/SitemapIndex.php
index 98a088fe6b2362bb8398f2172c0e08dcd252e370..dca6d8599c733657b98e3acc4795b3a78ffc0b11 100644
--- a/module/VuFind/src/VuFind/Sitemap/SitemapIndex.php
+++ b/module/VuFind/src/VuFind/Sitemap/SitemapIndex.php
@@ -2,7 +2,7 @@
 /**
  * Class for representing sitemap index files
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/Solr/Utils.php b/module/VuFind/src/VuFind/Solr/Utils.php
index 5c41d262c5c90afb97c192879c627f24a46c4693..394c4f364e2ff1a00dae9aa04a3f5f0eb98a1889 100644
--- a/module/VuFind/src/VuFind/Solr/Utils.php
+++ b/module/VuFind/src/VuFind/Solr/Utils.php
@@ -2,7 +2,7 @@
 /**
  * Solr Utility Functions
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Andrew Nagy 2009.
  *
diff --git a/module/VuFind/src/VuFind/Solr/Writer.php b/module/VuFind/src/VuFind/Solr/Writer.php
index c2e8df8b9d67fe2fa22d3817c2805084138c2159..bdf2fe69b7927488c0f454ae2e9a9d8f88020a5a 100644
--- a/module/VuFind/src/VuFind/Solr/Writer.php
+++ b/module/VuFind/src/VuFind/Solr/Writer.php
@@ -2,7 +2,7 @@
 /**
  * Solr Writer service
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Demian Katz 2013.
  *
diff --git a/module/VuFind/src/VuFind/Solr/WriterFactory.php b/module/VuFind/src/VuFind/Solr/WriterFactory.php
index 81ac7279a218f0db30495e0775ffbe62170fb415..e37493415f531a98518db8b2b6209291687a8e2d 100644
--- a/module/VuFind/src/VuFind/Solr/WriterFactory.php
+++ b/module/VuFind/src/VuFind/Solr/WriterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Solr writer factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/Tags.php b/module/VuFind/src/VuFind/Tags.php
index d36dd97d4c1c7a5f51a7106cfdfbbb44b7f179c4..c2b6b022177fd8753475142308983033f1ac226e 100644
--- a/module/VuFind/src/VuFind/Tags.php
+++ b/module/VuFind/src/VuFind/Tags.php
@@ -2,7 +2,7 @@
 /**
  * VuFind tag processing logic
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/TagsFactory.php b/module/VuFind/src/VuFind/TagsFactory.php
index 7ddcd7be79fa0a927db2835cc1706ec561dee5b3..58e5c5222c46d25fefb79f51bdb2b587d2909002 100644
--- a/module/VuFind/src/VuFind/TagsFactory.php
+++ b/module/VuFind/src/VuFind/TagsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Tags factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/AbstractLayoutClass.php b/module/VuFind/src/VuFind/View/Helper/AbstractLayoutClass.php
index 33a1115d55eb6e4638b2c95f751c8ca5f8d67897..6c08eeaa94e5c338ebf8dc8b70cadda2630a5c48 100644
--- a/module/VuFind/src/VuFind/View/Helper/AbstractLayoutClass.php
+++ b/module/VuFind/src/VuFind/View/Helper/AbstractLayoutClass.php
@@ -2,7 +2,7 @@
 /**
  * Helper class for managing high-level (body vs. sidebar) page layout.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/AbstractSearch.php b/module/VuFind/src/VuFind/View/Helper/AbstractSearch.php
index f8311330fe5985b17ed3ffa3a08b74a03539ac51..b8eca57de70a06051c0ebcb40c116c20a2548832 100644
--- a/module/VuFind/src/VuFind/View/Helper/AbstractSearch.php
+++ b/module/VuFind/src/VuFind/View/Helper/AbstractSearch.php
@@ -2,7 +2,7 @@
 /**
  * Helper class for displaying search-related HTML chunks.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Factory.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Factory.php
index 31946da81be91cbb8a6bc4af82a01111ec3730e6..89a895908e3e27de53e4a5e2d8efc5f1ade3779f 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Factory.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Bootstrap view helpers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Flashmessages.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Flashmessages.php
index 1a4124993e6fb787b0a25ddfb370ba4dc1c0f07c..fa06b4be6e0aa2d9a4f2ca533b1942ab453e2287 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Flashmessages.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Flashmessages.php
@@ -2,7 +2,7 @@
 /**
  * Flash message view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Highlight.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Highlight.php
index f02155c4dafe45aebe4383b5a9024ad54d4010d7..933f67580c30dbd7fe88ce338d78eef68ad8243f 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Highlight.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Highlight.php
@@ -2,7 +2,7 @@
 /**
  * Highlight view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/LayoutClass.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/LayoutClass.php
index 9592853267b21a038a6ffe004e0fa1396bfe4027..7859fd1460a390c6b0bc556f57e3cb020735719f 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/LayoutClass.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/LayoutClass.php
@@ -3,7 +3,7 @@
  * Helper class for managing bootstrap theme's high-level (body vs. sidebar) page
  * layout.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Recaptcha.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Recaptcha.php
index 0bc879aacb956d0a3cbb48c36da91106a0b0c99c..6282856358584e342f2fb6c5ade2a06f3b603202 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Recaptcha.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Recaptcha.php
@@ -2,7 +2,7 @@
 /**
  * Recaptcha view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Search.php b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Search.php
index 0cd60f9f0b4124ed42bc28ef0273ecf2c7eef0f9..10cb856cce386a9d4edd33a1b58f1fabb649f7e7 100644
--- a/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Search.php
+++ b/module/VuFind/src/VuFind/View/Helper/Bootstrap3/Search.php
@@ -2,7 +2,7 @@
 /**
  * Helper class for displaying search-related HTML chunks.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/AccountCapabilities.php b/module/VuFind/src/VuFind/View/Helper/Root/AccountCapabilities.php
index 05c77d44fe796ad00c0d53cbd42a63e752b056fa..734472f91559ee870da5146b55915c24894d1ba8 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/AccountCapabilities.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/AccountCapabilities.php
@@ -2,7 +2,7 @@
 /**
  * AccountCapabilities view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/AddEllipsis.php b/module/VuFind/src/VuFind/View/Helper/Root/AddEllipsis.php
index b52e19e99ad29d7d53b00314032475de62097c15..0e1772ffe83e76077e3e788a4c1dd262fb4e4fb9 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/AddEllipsis.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/AddEllipsis.php
@@ -2,7 +2,7 @@
 /**
  * "Add ellipsis" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/AddThis.php b/module/VuFind/src/VuFind/View/Helper/Root/AddThis.php
index fc7c85ad288a055941fba41787109be640ca75de..54d6a9ae723a2d2e06b2d0b2794fa2cc08ebe935 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/AddThis.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/AddThis.php
@@ -2,7 +2,7 @@
 /**
  * AddThis view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/AlphaBrowse.php b/module/VuFind/src/VuFind/View/Helper/Root/AlphaBrowse.php
index 2799bc8e34a9ea0b22222c4c93bb1c7b33ffa5bc..e13fdbd6ffa2ac0a485618bc4bdd7f94379534b7 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/AlphaBrowse.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/AlphaBrowse.php
@@ -2,7 +2,7 @@
 /**
  * Authentication view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Auth.php b/module/VuFind/src/VuFind/View/Helper/Root/Auth.php
index 91f9db39f2cd7f73e9689154782d3bfbec72c6c9..901f5dffcdac41640146251859ccbd6fbf3544c3 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Auth.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Auth.php
@@ -2,7 +2,7 @@
 /**
  * Authentication view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Browse.php b/module/VuFind/src/VuFind/View/Helper/Root/Browse.php
index 29efa116caaa3c4c2d31112d09e1c2cbadc7ddb8..01d7d8308599e22f1dcab33f47562831a7f44921 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Browse.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Browse.php
@@ -2,7 +2,7 @@
 /**
  * Browse controller view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Cart.php b/module/VuFind/src/VuFind/View/Helper/Root/Cart.php
index 28c02aabc9cbb27b62892f419817e8e67e804594..a32b5a4f41a0a25fab05faa9921e3a35346a762c 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Cart.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Cart.php
@@ -2,7 +2,7 @@
 /**
  * Cart view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Citation.php b/module/VuFind/src/VuFind/View/Helper/Root/Citation.php
index df6f221af12a722b979d8d98fcbd84df93da8f2c..c3a2ffc529c8595ebc5653a0c4ec2a4128363105 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Citation.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Citation.php
@@ -2,7 +2,7 @@
 /**
  * Citation view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Config.php b/module/VuFind/src/VuFind/View/Helper/Root/Config.php
index d430df376a74b53b618419ed3bb5c4b528a1e559..868e7d7dd861282f409e8deba4f666d715461f6e 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Config.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Config.php
@@ -2,7 +2,7 @@
 /**
  * Config view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/ConfigFactory.php b/module/VuFind/src/VuFind/View/Helper/Root/ConfigFactory.php
index 673325df9dafdf12acb88780a056108e32c3387c..cdaa45072584d81ba4df3b18a52e5890545ad088 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/ConfigFactory.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/ConfigFactory.php
@@ -2,7 +2,7 @@
 /**
  * Config helper factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/ContentLoader.php b/module/VuFind/src/VuFind/View/Helper/Root/ContentLoader.php
index b8a70240b0db3d601f5b554303a48e2acf846e7a..068ef66d5d5eb60cf90bc653c2c8d6959661918e 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/ContentLoader.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/ContentLoader.php
@@ -2,7 +2,7 @@
 /**
  * Content loader view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Context.php b/module/VuFind/src/VuFind/View/Helper/Root/Context.php
index fa5da33865cf4a64d07e8b1ec005e1f20eeb4f9e..9f9b1add0d364d2db7e889f4c03f74d92d935994 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Context.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Context.php
@@ -4,7 +4,7 @@
  * performance -- this allows us to set and roll back variables in the global
  * scope instead of relying on the overhead of building a whole new scope).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/CurrentPath.php b/module/VuFind/src/VuFind/View/Helper/Root/CurrentPath.php
index 2002869319d0d4236745d3f0abd1b0857dabd393..62a9d3d2303c3274417a462ca01165abc5dae2c0 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/CurrentPath.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/CurrentPath.php
@@ -2,7 +2,7 @@
 /**
  * Current path view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/DateTime.php b/module/VuFind/src/VuFind/View/Helper/Root/DateTime.php
index 7f4ad0557d575deae644661ed9b1ed909ad4e280..8fe27dee2423735b8e8c4ac0f54d130b2fe1c525 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/DateTime.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/DateTime.php
@@ -2,7 +2,7 @@
 /**
  * View helper for formatting dates and times.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/DisplayLanguageOption.php b/module/VuFind/src/VuFind/View/Helper/Root/DisplayLanguageOption.php
index 1ce8b531f5db6ea7d3c91dec9c506c7a4fb914a9..5a2cfb8074e659fa1e477e1ca8425b8ed05f7584 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/DisplayLanguageOption.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/DisplayLanguageOption.php
@@ -2,7 +2,7 @@
 /**
  * DisplayLanguageOption view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Export.php b/module/VuFind/src/VuFind/View/Helper/Root/Export.php
index a6f230d773a16539f1cb7d1f5634cee0504eefe8..95f7828af5152f910c60e4e7a7cc69c309bfb99a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Export.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Export.php
@@ -2,7 +2,7 @@
 /**
  * Export view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Factory.php b/module/VuFind/src/VuFind/View/Helper/Root/Factory.php
index 32ed384f808035e17d55dd4242710c291caae257..95143e45cbedbf3a4dfbac3ae9b54d0afc564757 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Factory.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for Root view helpers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Feedback.php b/module/VuFind/src/VuFind/View/Helper/Root/Feedback.php
index cbdf45338c668213091e9e6d241f21ba92acd335..0793e41c0d0b9d14b87793ca1e6a5ed149fa87b7 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Feedback.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Feedback.php
@@ -3,7 +3,7 @@
  * This is a helper that lets the layout know whether or not to include the feedback
  * tab
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Flashmessages.php b/module/VuFind/src/VuFind/View/Helper/Root/Flashmessages.php
index 60e0c82d10018d16cb2dd03011975e481abdef44..d955a1255efaa708ee3e772397f2b32d48f554e0 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Flashmessages.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Flashmessages.php
@@ -2,7 +2,7 @@
 /**
  * Flash message view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/GeoCoords.php b/module/VuFind/src/VuFind/View/Helper/Root/GeoCoords.php
index 0293ba513ebedd70d440637b6f76445bc5476833..0cb6e50c5225770551cb066a77a8446ff3ccc4fe 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/GeoCoords.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/GeoCoords.php
@@ -2,7 +2,7 @@
 /**
  * GeoCoords view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/GoogleAnalytics.php b/module/VuFind/src/VuFind/View/Helper/Root/GoogleAnalytics.php
index 78ae8ccdbce137ccdda2aa95f159aed970c86895..e5e2daed54b841e19107a317633c1a3173d0c34a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/GoogleAnalytics.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/GoogleAnalytics.php
@@ -2,7 +2,7 @@
 /**
  * GoogleAnalytics view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/HelpText.php b/module/VuFind/src/VuFind/View/Helper/Root/HelpText.php
index e7bdbbbfd716d4154773b34557d6632521249dbb..1642474aeff6b249f19e5a1286658093fe0c8042 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/HelpText.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/HelpText.php
@@ -2,7 +2,7 @@
 /**
  * "Load help text" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Highlight.php b/module/VuFind/src/VuFind/View/Helper/Root/Highlight.php
index 78dfff42b071813b6711f78e90fe1151c2180baa..63d898b75ce4ed7a49d5ef5e5f489a38e054bab0 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Highlight.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Highlight.php
@@ -2,7 +2,7 @@
 /**
  * Highlight view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/HistoryLabel.php b/module/VuFind/src/VuFind/View/Helper/Root/HistoryLabel.php
index 3d1af23ba24db8c53e23ade9d495077273a79190..b8046973834e8fe786c12ee76300c51d4c98462a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/HistoryLabel.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/HistoryLabel.php
@@ -2,7 +2,7 @@
 /**
  * "Search history label" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Ils.php b/module/VuFind/src/VuFind/View/Helper/Root/Ils.php
index eb3d913c26b9041678e2f11039587e1a69105120..540cb40775cea257f5d139cf87b6d8833283209c 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Ils.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Ils.php
@@ -2,7 +2,7 @@
 /**
  * ILS (integrated library system) view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/JsTranslations.php b/module/VuFind/src/VuFind/View/Helper/Root/JsTranslations.php
index 9576adc5359dd74038fdeded6cfb63cf841e0550..8917346f436bcd059a8661947833c509109e4265 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/JsTranslations.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/JsTranslations.php
@@ -2,7 +2,7 @@
 /**
  * JsTranslations helper for passing translation text to Javascript
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/KeepAlive.php b/module/VuFind/src/VuFind/View/Helper/Root/KeepAlive.php
index 2ab79a4be25c9f9b83be3743b908a7341f49288d..59e950e2f5536359681e41517d166d5e40d316b5 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/KeepAlive.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/KeepAlive.php
@@ -2,7 +2,7 @@
 /**
  * KeepAlive view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2014.
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/LocalizedNumber.php b/module/VuFind/src/VuFind/View/Helper/Root/LocalizedNumber.php
index 7a697f0478527c8fa0a0a74344ee22abf608d3f2..dfaaf03817beec5f28c24a64a9a0c93d2c0c4578 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/LocalizedNumber.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/LocalizedNumber.php
@@ -2,7 +2,7 @@
 /**
  * Localization based number formatting
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) snowflake productions gmbh 2014.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/OpenUrl.php b/module/VuFind/src/VuFind/View/Helper/Root/OpenUrl.php
index 359d3ec9f60ccab43bdee5d6e8761492e16ccbb9..1b3ff016cb21e29bfb3d4c626b1367091724fdee 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/OpenUrl.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/OpenUrl.php
@@ -2,7 +2,7 @@
 /**
  * OpenUrl view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Permission.php b/module/VuFind/src/VuFind/View/Helper/Root/Permission.php
index 84a32eae6925dbff2f4c55848a7dce2d8dc8f5e5..208e40b15f8372bc1701e79a6c10b4a70e7d6b4b 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Permission.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Permission.php
@@ -2,7 +2,7 @@
 /**
  * Permission helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Piwik.php b/module/VuFind/src/VuFind/View/Helper/Root/Piwik.php
index e91fd79709a378b01f49022323b8a36859ab9cce..b0594a005e35c3fbd57fcb2f50c3eeaad0907fcd 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Piwik.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Piwik.php
@@ -2,7 +2,7 @@
 /**
  * Piwik view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2014-2016.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Printms.php b/module/VuFind/src/VuFind/View/Helper/Root/Printms.php
index a053ef86219e01d25606301edf28e1c97969da77..d8708293bc4a19b829794f011828932e8e91e53e 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Printms.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Printms.php
@@ -2,7 +2,7 @@
 /**
  * Prints a human readable format from a number of milliseconds
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/ProxyUrl.php b/module/VuFind/src/VuFind/View/Helper/Root/ProxyUrl.php
index 21bdbeb3c01758226b46ccd788bec9f687c4e83d..009dc386663ba8ee02ca4fdc9309f1e762cc4146 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/ProxyUrl.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/ProxyUrl.php
@@ -2,7 +2,7 @@
 /**
  * Proxy URL view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Recaptcha.php b/module/VuFind/src/VuFind/View/Helper/Root/Recaptcha.php
index 5e17f17bf8294ea59dd9848cce9ec9cac7084195..a6adae1e9a93da68a28f162ab920164ae0811def 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Recaptcha.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Recaptcha.php
@@ -2,7 +2,7 @@
 /**
  * Recaptcha view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Recommend.php b/module/VuFind/src/VuFind/View/Helper/Root/Recommend.php
index 24ecb28d47d639ab89d90155fc84d0cc3765524b..72442eec473b6275289e0886766e16b051bd6f08 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Recommend.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Recommend.php
@@ -2,7 +2,7 @@
 /**
  * Recommendation module view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Record.php b/module/VuFind/src/VuFind/View/Helper/Root/Record.php
index ef817bc0f65dec3c04870de733a545fa3c533c0c..fa7448e53a6d771109cdd939d725f5f846bb9fcf 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Record.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Record.php
@@ -2,7 +2,7 @@
 /**
  * Record driver view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter.php b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter.php
index db3020690c6231472e0206b98b0eec6a9ffc9843..8fc80ff8c15a0a7c01ef3f0c70560b6f861e8a5a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter.php
@@ -2,7 +2,7 @@
 /**
  * Record driver data formatting view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter/SpecBuilder.php b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter/SpecBuilder.php
index 44f5ae37efa8061c547d02859016584b4042df35..3d4eb622c62d521b8c4c0ef37e7d86eeb42c1e04 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter/SpecBuilder.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatter/SpecBuilder.php
@@ -2,7 +2,7 @@
 /**
  * Specification builder for record driver data formatting view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatterFactory.php b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatterFactory.php
index 06986c02b0ad33c9138d6f3990fcad8595a22071..1b8f4f0593cc5ea9fab01f44f4732395c36a51c9 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatterFactory.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/RecordDataFormatterFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for record driver data formatting view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/RecordLink.php b/module/VuFind/src/VuFind/View/Helper/Root/RecordLink.php
index 9d394128a287da13a51eec1df01da42b5d9e5d8d..9d3f1512050164a5c6ac72bc57817b86b675f736 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/RecordLink.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/RecordLink.php
@@ -2,7 +2,7 @@
 /**
  * Record link view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Related.php b/module/VuFind/src/VuFind/View/Helper/Root/Related.php
index 5149877966d4f5dbd2d50f2fbc6cf1a2b6e698d8..184d8457e91de79fe2a30eb271bddd38a1ee691c 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Related.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Related.php
@@ -2,7 +2,7 @@
 /**
  * Related records view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/RenderArray.php b/module/VuFind/src/VuFind/View/Helper/Root/RenderArray.php
index 22335c76e011a3841b9da618511d8bf465a1d187..31021ec000cf8d9c34d9a262ebab5334fb0152e2 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/RenderArray.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/RenderArray.php
@@ -2,7 +2,7 @@
 /**
  * View helper to render a portion of an array.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/ResultFeed.php b/module/VuFind/src/VuFind/View/Helper/Root/ResultFeed.php
index 919a293d0ef4395f1962ddb1137ce2073cafa9e0..4a8da2b281b7a293a30ef7a9568d7c3700fc2e0a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/ResultFeed.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/ResultFeed.php
@@ -2,7 +2,7 @@
 /**
  * "Results as feed" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SafeMoneyFormat.php b/module/VuFind/src/VuFind/View/Helper/Root/SafeMoneyFormat.php
index d68a1b12132b00d8f50499a3b15ab43bf2ed4cb5..9c2946e0ee91794e502ecea04276509f9a62bd04 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SafeMoneyFormat.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SafeMoneyFormat.php
@@ -2,7 +2,7 @@
 /**
  * Safe money format view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SearchBox.php b/module/VuFind/src/VuFind/View/Helper/Root/SearchBox.php
index 558893effae8874040fa8e6e31b0e11cc40fdb2e..aac4f035995c2410bf495ca23504a49045a2bfa2 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SearchBox.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SearchBox.php
@@ -2,7 +2,7 @@
 /**
  * Search box view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SearchMemory.php b/module/VuFind/src/VuFind/View/Helper/Root/SearchMemory.php
index 847d69fead58ab62794799e654c3309c8e627c75..a28d01f0dd9a3ec82d48061a81a5312cf8e575b6 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SearchMemory.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SearchMemory.php
@@ -2,7 +2,7 @@
 /**
  * View helper for remembering recent user searches/parameters.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SearchOptions.php b/module/VuFind/src/VuFind/View/Helper/Root/SearchOptions.php
index 2f7afff2c3c8479da25ad8cd8385240a09e8a63b..bdcc5715ada77f6c22b5534d2a9eb7f18a470167 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SearchOptions.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SearchOptions.php
@@ -2,7 +2,7 @@
 /**
  * "Retrieve search options" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SearchParams.php b/module/VuFind/src/VuFind/View/Helper/Root/SearchParams.php
index 09ab8a7fc70971f79ac9d606db061df071b338c1..90710f88f4f8e2fdac07d34bc23cb20706e64bd9 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SearchParams.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SearchParams.php
@@ -2,7 +2,7 @@
 /**
  * "Retrieve search params" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SearchTabs.php b/module/VuFind/src/VuFind/View/Helper/Root/SearchTabs.php
index 9febe4e2feaca742f4bafd75420c49bf5be5dfc3..72e4ecb88d85bd42096d65707b9a0137c5d17948 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SearchTabs.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SearchTabs.php
@@ -2,7 +2,7 @@
 /**
  * "Search tabs" view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015-2016.
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SortFacetList.php b/module/VuFind/src/VuFind/View/Helper/Root/SortFacetList.php
index 7476c91f0b5973dc8dead1f2975aaa0c5f5a2b0d..cb318e0d1ca8a126974f3f7abeb26b6f0e20d379 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SortFacetList.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SortFacetList.php
@@ -3,7 +3,7 @@
 /**
  * Sort facet list view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Summon.php b/module/VuFind/src/VuFind/View/Helper/Root/Summon.php
index 01a19c4499c0c48d55e6593047a4f123366f93f8..2421a54eb8f69e4ab63ed537469a82cb6794268a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Summon.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Summon.php
@@ -2,7 +2,7 @@
 /**
  * Summon support functions.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2012.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SyndeticsPlus.php b/module/VuFind/src/VuFind/View/Helper/Root/SyndeticsPlus.php
index 7de84f752eb08f78c8b52568841d5562423e2ac8..b710c08ae7ee1ece2c962d0f48dfe262945e6884 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SyndeticsPlus.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SyndeticsPlus.php
@@ -2,7 +2,7 @@
 /**
  * SyndeticsPlus view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/SystemEmail.php b/module/VuFind/src/VuFind/View/Helper/Root/SystemEmail.php
index 021fe52e0c38e68f7db535ac97d5f0ef562362af..cad50dbe39ccc96b5de20232af33445f838bc639 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/SystemEmail.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/SystemEmail.php
@@ -2,7 +2,7 @@
 /**
  * System contact email helper.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/TransEsc.php b/module/VuFind/src/VuFind/View/Helper/Root/TransEsc.php
index 58bd34ee9740109a7d7cfb277eb7cf0e94795161..5ae26a8735fdee7dddb98534dcc792c434b07f67 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/TransEsc.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/TransEsc.php
@@ -2,7 +2,7 @@
 /**
  * Translate + escape view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Translate.php b/module/VuFind/src/VuFind/View/Helper/Root/Translate.php
index 1ed735e5e29483bec3737f5fd6c6cd5895755bba..d34bfa66a14aa17d59bfb3dade1b0e5524306086 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Translate.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Translate.php
@@ -2,7 +2,7 @@
 /**
  * Translate view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Truncate.php b/module/VuFind/src/VuFind/View/Helper/Root/Truncate.php
index e39b2cd6e62d51320e7194afe75f82cc42ad8a4c..f483d1ab9aa6683e4c01dcbdf1e112cb1656c43e 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Truncate.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Truncate.php
@@ -2,7 +2,7 @@
 /**
  * Truncate view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/UserList.php b/module/VuFind/src/VuFind/View/Helper/Root/UserList.php
index ff546037bd8182990c9bc340f11091a30cb4534c..36337ab47df5dd5f2794f459bc1c6dadca87e9ec 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/UserList.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/UserList.php
@@ -2,7 +2,7 @@
 /**
  * List view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/View/Helper/Root/UserTags.php b/module/VuFind/src/VuFind/View/Helper/Root/UserTags.php
index ea7a3c5fe2137a7b17d0dd54c8aab31c0ff0ff5b..3f3753f1a58a32dcebd0e22dd64f88269f8ccd87 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/UserTags.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/UserTags.php
@@ -2,7 +2,7 @@
 /**
  * Tag view helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/XSLT/Import/VuFind.php b/module/VuFind/src/VuFind/XSLT/Import/VuFind.php
index d291a3b00f63c8b085badd43d8bce592479a26e6..746b395cfb5c2a20f77e25a2381513d869bc5341 100644
--- a/module/VuFind/src/VuFind/XSLT/Import/VuFind.php
+++ b/module/VuFind/src/VuFind/XSLT/Import/VuFind.php
@@ -2,7 +2,7 @@
 /**
  * XSLT importer support methods.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (c) Demian Katz 2010.
  *
diff --git a/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php b/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
index 1dc3605edfb0469484f28139a36466a217862b3f..bfdd9efba0baa1c106ce28f2a798837fcfbff01e 100644
--- a/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
+++ b/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
@@ -2,7 +2,7 @@
 /**
  * XSLT importer support methods for sitemaps.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (c) Demian Katz 2010.
  *
diff --git a/module/VuFind/src/VuFind/XSLT/Importer.php b/module/VuFind/src/VuFind/XSLT/Importer.php
index bba35bad10610c29d34a293cda699f76cc1d0050..0b2111a9573e6fef08b24b65d10a36cdf44585ff 100644
--- a/module/VuFind/src/VuFind/XSLT/Importer.php
+++ b/module/VuFind/src/VuFind/XSLT/Importer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind XSLT importer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFind/XSLT/Processor.php b/module/VuFind/src/VuFind/XSLT/Processor.php
index d6ca50c972c645e5e2f665ce4c7cbe9ac3bc8c7c..df99053ad84eb9d722cd06370bd1e62cf76a20e6 100644
--- a/module/VuFind/src/VuFind/XSLT/Processor.php
+++ b/module/VuFind/src/VuFind/XSLT/Processor.php
@@ -2,7 +2,7 @@
 /**
  * VuFind XSLT wrapper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/RecordDriver/TestHarness.php b/module/VuFind/src/VuFindTest/RecordDriver/TestHarness.php
index 0f0d97bb1ae2f040a9a7494728b1efa91a5e0c3c..68549a7d8f819c296418ad1ee044161ccd212c6f 100644
--- a/module/VuFind/src/VuFindTest/RecordDriver/TestHarness.php
+++ b/module/VuFind/src/VuFindTest/RecordDriver/TestHarness.php
@@ -2,7 +2,7 @@
 /**
  * Test harness for simulating record drivers (ignore outside of test suite!)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Search/TestHarness/Options.php b/module/VuFind/src/VuFindTest/Search/TestHarness/Options.php
index 43e54aac847d098a417694168c6f7103133cc05d..e4e8f25225126104690bf3661ca40d1a32a528ed 100644
--- a/module/VuFind/src/VuFindTest/Search/TestHarness/Options.php
+++ b/module/VuFind/src/VuFindTest/Search/TestHarness/Options.php
@@ -2,7 +2,7 @@
 /**
  * Test options search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Search/TestHarness/Params.php b/module/VuFind/src/VuFindTest/Search/TestHarness/Params.php
index 8cabb13eba3642f233029c131be0d65131c22366..426a7b6f02e4080ad8db94b66b04d0f49cc0b563 100644
--- a/module/VuFind/src/VuFindTest/Search/TestHarness/Params.php
+++ b/module/VuFind/src/VuFindTest/Search/TestHarness/Params.php
@@ -2,7 +2,7 @@
 /**
  * Test params search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Search/TestHarness/Results.php b/module/VuFind/src/VuFindTest/Search/TestHarness/Results.php
index 40214de95e73794bfa9dfeb19534de040a18d2ed..8ffec44533d4e73a03218c44b28d7f8b32969c04 100644
--- a/module/VuFind/src/VuFindTest/Search/TestHarness/Results.php
+++ b/module/VuFind/src/VuFindTest/Search/TestHarness/Results.php
@@ -2,7 +2,7 @@
 /**
  * Test results search model.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/AjaxHandlerTest.php b/module/VuFind/src/VuFindTest/Unit/AjaxHandlerTest.php
index e8ddeef1177828c42b4bc28eb9268ba01356587f..997fb9fbe6e359a303dbdd631d602f902422baea 100644
--- a/module/VuFind/src/VuFindTest/Unit/AjaxHandlerTest.php
+++ b/module/VuFind/src/VuFindTest/Unit/AjaxHandlerTest.php
@@ -2,7 +2,7 @@
 /**
  * Base class for AjaxHandler tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/DbTestCase.php b/module/VuFind/src/VuFindTest/Unit/DbTestCase.php
index 22885a6d278f0d0f43d1194c10a1f6e4ad11d4f5..9c7ea6eb35bebc4f6cca4f7b3e41e0bbecedd11a 100644
--- a/module/VuFind/src/VuFindTest/Unit/DbTestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/DbTestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for PHPUnit database test cases.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/ILSDriverTestCase.php b/module/VuFind/src/VuFindTest/Unit/ILSDriverTestCase.php
index 9d1cff50666d9a830e37bde5385c78af56f51605..ae243edeae1e4a1ba434eb58b509726f073c2031 100644
--- a/module/VuFind/src/VuFindTest/Unit/ILSDriverTestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/ILSDriverTestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for ILS driver test cases.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/MinkTestCase.php b/module/VuFind/src/VuFindTest/Unit/MinkTestCase.php
index acfca0197c25909f75979dffef6d7d496e3c023d..ef14b3d6c8a53f24f586a3289b8ee385061f167a 100644
--- a/module/VuFind/src/VuFindTest/Unit/MinkTestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/MinkTestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for PHPUnit test cases using Mink.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/RecommendDeferredTestCase.php b/module/VuFind/src/VuFindTest/Unit/RecommendDeferredTestCase.php
index 771bc7a0a481b6064a4e844861362ff16e26220e..d4c3dda218bbd6729dca9e7fce84ffe07569a005 100644
--- a/module/VuFind/src/VuFindTest/Unit/RecommendDeferredTestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/RecommendDeferredTestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for PHPUnit deferred recommendation module test cases.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/TestCase.php b/module/VuFind/src/VuFindTest/Unit/TestCase.php
index 7d36ef59540f200838c483797a61cdeb2d616d6b..eeb78a73326e9b396616e21981323c1c0e877ebf 100644
--- a/module/VuFind/src/VuFindTest/Unit/TestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/TestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for PHPUnit test cases.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/UserCreationTrait.php b/module/VuFind/src/VuFindTest/Unit/UserCreationTrait.php
index 6cfcd3abaa3ac159fef8ce4ffe9008ccd07f43fd..7e7477ccb72189b22e4c33ebe7b200fe94552e8e 100644
--- a/module/VuFind/src/VuFindTest/Unit/UserCreationTrait.php
+++ b/module/VuFind/src/VuFindTest/Unit/UserCreationTrait.php
@@ -4,7 +4,7 @@
  * Trait with utility methods for user creation/management. Assumes that it
  * will be applied to a subclass of DbTestCase.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/src/VuFindTest/Unit/ViewHelperTestCase.php b/module/VuFind/src/VuFindTest/Unit/ViewHelperTestCase.php
index 669a9f72422722ff9302ae70da7cc2c39c95829f..4a34b13d13b1ddb4ca9f41c9239c11900f2dcd88 100644
--- a/module/VuFind/src/VuFindTest/Unit/ViewHelperTestCase.php
+++ b/module/VuFind/src/VuFindTest/Unit/ViewHelperTestCase.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class for PHPUnit database test cases.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/DatabaseTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/DatabaseTest.php
index 171ec5dc803902caa80c1bd9d06a09fa7fc8e546..ce187cdeaab304f3fb7035a6525a2866052eef3e 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/DatabaseTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/DatabaseTest.php
@@ -2,7 +2,7 @@
 /**
  * Database authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ILSTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ILSTest.php
index 6e404e89ea221239e744e3953f4a71a0920153e4..5ad50b8fb2b68474bca8462da13332165e9cf184 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ILSTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ILSTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ShibbolethTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ShibbolethTest.php
index 5785d4a156d1bf7da91c9769ab00e51c163ba435..6e9e72d2529fd09198e80913c2a929cb6f28f89e 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ShibbolethTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Auth/ShibbolethTest.php
@@ -2,7 +2,7 @@
 /**
  * Shibboleth authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrAuthTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrAuthTest.php
index 22c7785e47bd46101dd8652a479c515c1db6a06c..9db7e3e24e1638f5b966cf302ba92fdd87831253 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrAuthTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrAuthTest.php
@@ -2,7 +2,7 @@
 /**
  * Solr Auth Connection Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrTest.php
index bd26cea59ccae40f6652571d573549d45c831c14..da9e16a34615c76d1482ea9dd7fc9b2452c1a6b4 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Connection/SolrTest.php
@@ -2,7 +2,7 @@
 /**
  * Solr Connection Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Db/Table/ChangeTrackerTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Db/Table/ChangeTrackerTest.php
index fac8958366678f6db1890f5e005bdd302e4f6288..55462d130e8ff88237f045a4e58761d850dd4f67 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Db/Table/ChangeTrackerTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Db/Table/ChangeTrackerTest.php
@@ -2,7 +2,7 @@
 /**
  * ChangeTracker Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AccountActionsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AccountActionsTest.php
index ecf059cb409ecaf35a15dad955a886aa73de80df..b28792bf174d51b7e9cfecb4f06eac9e833da032 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AccountActionsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AccountActionsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink account actions test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AdvancedSearchTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AdvancedSearchTest.php
index dc52976ea76cb0f1c0fad14cb903a4582f177a85..80553f01fb3b6481438386468a5f9184f13552c8 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AdvancedSearchTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/AdvancedSearchTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink test class to test advanced search.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BasicTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BasicTest.php
index 51e126d7e81eac6b6b7fc3ab380f24e60d62da8b..483756c9261d910e75e1fa65435e9e04f88449aa 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BasicTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BasicTest.php
@@ -2,7 +2,7 @@
 /**
  * Very simple Mink test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BulkTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BulkTest.php
index 72a914d47bc55cfade91d67f77aebc941cb61de8..114409a8d84ebdcfe2ec00937372875017378d1f 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BulkTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/BulkTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink bulk action test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CallnumberBrowseTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CallnumberBrowseTest.php
index 87ebe371fee5c6e342e36ae8b9e164804dca3084..36a8c0181898a9871c28b771cd64a00d1ee6d74c 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CallnumberBrowseTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CallnumberBrowseTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink search actions test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CartTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CartTest.php
index cebca6e48dfa63de010092a8a29ad6682e9b16ea..b0b8767375e3ac1cbc935cf955fa73dbaeceff46 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CartTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CartTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink cart test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChannelsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChannelsTest.php
index b384bc5ab62ef6f3e8ba6bfdf6f7532b404e2d9c..dfed970e535f4b2c2b9abc21cd52578f71d9f510 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChannelsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChannelsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink cart test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChoiceAuthTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChoiceAuthTest.php
index 1947cc81bf609a17fa468302b1c1dc5b42396690..b01ecb0c686d7a4a2a758626f350068bf7e909ac 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChoiceAuthTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ChoiceAuthTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink ChoiceAuth test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CollectionsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CollectionsTest.php
index de4bf347eb2cfa2c812d325ffcc75a8988466ff7..ec7e23329856b1b489dd3fde2751c89bc4ccbe73 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CollectionsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CollectionsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink test class for basic collection functionality.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CombinedSearchTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CombinedSearchTest.php
index faa4f0cb98d55f18ff47b0be9d7a62844129a07f..2d340dc66800d59049bbcf179c85eaeb563e5bb4 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CombinedSearchTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/CombinedSearchTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink test class for combined search.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FavoritesTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FavoritesTest.php
index 63b5fa1c2ab63d2f6d017f3df62042169389d3d3..9b7272c2ee869380b41e25e725e3f3a621aa1865 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FavoritesTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FavoritesTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink favorites test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FeedbackTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FeedbackTest.php
index 731ca302be1b7a4988fba1e880b84f525431a5a0..bda8668755aab33ced0597c696676ee74f56397d 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FeedbackTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/FeedbackTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink Feedback module test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/IlsActionsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/IlsActionsTest.php
index 712fe930dcb36e27f1614b4aec7c32b45bb57a45..7e72aa87ab6689bc3bafe8840947ee9c40ee83af 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/IlsActionsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/IlsActionsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink ILS actions test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/LinkResolverTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/LinkResolverTest.php
index 7f3bb38e3f567cf199c584efa3dce52bef340072..69cd495cb92e40bc523a352aecd8fd899c04f2e6 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/LinkResolverTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/LinkResolverTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink link resolver test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ListViewsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ListViewsTest.php
index b107d85af90e985fb4cc0ae0f24215a5efaf5f0a..c58101e08009ec9dbb6038255af03d4a5c2edc82 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ListViewsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/ListViewsTest.php
@@ -2,7 +2,7 @@
 /**
  * List views (i.e. tabs/accordion) test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordActionsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordActionsTest.php
index 35a0ba129601c166c9fe6c68d9ea6abaf99cdba0..3ace083e642a6421cb3d7d6895951ac26163621b 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordActionsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordActionsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink record actions test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordTest.php
index eaf7aebef38e31ffd903ebc64be6f7adad5310a7..7d60daae4f510103b03a410986c38f0e440e85ff 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/RecordTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink test class for basic record functionality.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/SearchActionsTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/SearchActionsTest.php
index dca422443506f71babd8208d970211990c176394..743adc95df65a53c47ec8acdda2cdb3bfd2915e1 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/SearchActionsTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/SearchActionsTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink search actions test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/VisualizationTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/VisualizationTest.php
index 2a725a1fa2d4f4a892129904d8b2b0f02fcb8a26..5e0024f5bca9cd21efa9bc163aa135585e56545b 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/VisualizationTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/Mink/VisualizationTest.php
@@ -2,7 +2,7 @@
 /**
  * Mink test class for visualization view.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/tests/integration-tests/src/VuFindTest/View/Helper/Root/ResultFeedTest.php b/module/VuFind/tests/integration-tests/src/VuFindTest/View/Helper/Root/ResultFeedTest.php
index 6f1e2ea0bff177c0990d4f7ee3e97c28fd076619..3a22733b1151da229cfc8b6c825741226c5914c4 100644
--- a/module/VuFind/tests/integration-tests/src/VuFindTest/View/Helper/Root/ResultFeedTest.php
+++ b/module/VuFind/tests/integration-tests/src/VuFindTest/View/Helper/Root/ResultFeedTest.php
@@ -2,7 +2,7 @@
 /**
  * ResultFeed Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CheckRequestIsValidTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CheckRequestIsValidTest.php
index e680a81025cfc886c4de4faae76e829e5529b115..a4813f79048127ee4abe7a79f123f2bcaa0d1ec9 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CheckRequestIsValidTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CheckRequestIsValidTest.php
@@ -2,7 +2,7 @@
 /**
  * CheckRequestIsValid test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CommentRecordTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CommentRecordTest.php
index 22eaad9f48ba9b24658bc9197aaa16844f2bfac9..e6d1b82bde5d288fc28455968b5c75532b3fe8e4 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CommentRecordTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/CommentRecordTest.php
@@ -2,7 +2,7 @@
 /**
  * CommentRecord test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/KeepAliveTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/KeepAliveTest.php
index aaf28ca538252d443ae7f0a3957d6409fa2444c9..8ae190131eace1547340774e7b957396025627c8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/KeepAliveTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/AjaxHandler/KeepAliveTest.php
@@ -2,7 +2,7 @@
 /**
  * ChoiceAuth test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ChoiceAuthTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ChoiceAuthTest.php
index 378cdc9b5a08527caeb6f34a36b1775bc974cc90..38bc7407e14f616ff7fd10f510a45f1f5cc0df62 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ChoiceAuthTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ChoiceAuthTest.php
@@ -2,7 +2,7 @@
 /**
  * ChoiceAuth test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/DatabaseUnitTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/DatabaseUnitTest.php
index 3358d22008988454699b9752a75ab002bee6dfb8..3f068b4aaaeab22029c9ae053313ea93c2c307a8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/DatabaseUnitTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/DatabaseUnitTest.php
@@ -2,7 +2,7 @@
 /**
  * Database authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ILSAuthenticatorTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ILSAuthenticatorTest.php
index 16505332de8b7a91dfcfa6f333b818ae92d7c8b2..ff702404ca47a9c6e7091003a1cb0357974a7f95 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ILSAuthenticatorTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ILSAuthenticatorTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS Authenticator Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/LDAPTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/LDAPTest.php
index 053d200b378a82a68a8b29c418170244593e6479..855ffe854b8a062449ff50d0cc8bf9cd87098181 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/LDAPTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/LDAPTest.php
@@ -2,7 +2,7 @@
 /**
  * LDAP authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ManagerTest.php
index 8c6118d7848442605ed49562b8971980f71e4886..fda3e408b90c30aa09337863992fd27e732913d1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/ManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Authentication manager test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/MultiAuthTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/MultiAuthTest.php
index 85e0cf80201a8a93232c8247276c9cb2e52d23e8..9742ad92698819fd8b2b7df0d7604318a0e07c8b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/MultiAuthTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/MultiAuthTest.php
@@ -2,7 +2,7 @@
 /**
  * MultiAuth authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/PluginManagerTest.php
index a94afc6617cae087b0027c871f130a739e96201d..bf05faf91a833320e986af600ffaa48d030ba482 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Auth Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/SIP2Test.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/SIP2Test.php
index 576dfabdfeb3a949c38f452191b9c0b12c534180..47961b07b2111d3f666f1d92813b1d4e064a4fba 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/SIP2Test.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Auth/SIP2Test.php
@@ -2,7 +2,7 @@
 /**
  * SIP2 authentication test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/PluginManagerTest.php
index e788a81ed2aaeae284daf6c93d643a63fa5b77ee..fd435c9047e3a50368acc365b1a2732c01c2c7be 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Autocomplete Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/SolrTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/SolrTest.php
index 4146167d618905b3d04e3d33f2d196dc435ec91f..c1e1e54721b92841288b2433c00a752e8dc37c27 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/SolrTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/SolrTest.php
@@ -2,7 +2,7 @@
 /**
  * Solr autocomplete test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/TagTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/TagTest.php
index d0f83df7c6c7cae8742dc085b60bfc8c633f3c50..1b0080a408d0bdf4537ad213bfdfa07601050f6a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/TagTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Autocomplete/TagTest.php
@@ -2,7 +2,7 @@
 /**
  * Tag autocomplete test class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Cache/Storage/Adapter/NoCacheAdapterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Cache/Storage/Adapter/NoCacheAdapterTest.php
index c4f8e22e76796b5c3d33892e3fff1c7454af7f57..f8aba7517616fa172edca0f9d89be955969347dc 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Cache/Storage/Adapter/NoCacheAdapterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Cache/Storage/Adapter/NoCacheAdapterTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for VuFind NoCacheAdapter.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2007.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/CartTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/CartTest.php
index 2a5aa6af17662135b38db80eb82cc3ee3a5af5e2..b1f8057cc224137af57a4674be34ccf56a1609d6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/CartTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/CartTest.php
@@ -2,7 +2,7 @@
 /**
  * Cart Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
index 9d02d46dd126833026b39c582e9ec6fb71230514..277f8fb3e4ce54b528513a7afe6a3f9a3f161b00 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
@@ -2,7 +2,7 @@
 /**
  * Config Factory Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/Reader/CacheDecoratorTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/Reader/CacheDecoratorTest.php
index ca4edc14cde47290f9c4f89d2f17854bd7900f37..d970a9ef65c1f557de1e0fd724d1b484e9819f1c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/Reader/CacheDecoratorTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/Reader/CacheDecoratorTest.php
@@ -3,7 +3,7 @@
 /**
  * Config CacheDecorator test class file.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/SearchSpecsReaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/SearchSpecsReaderTest.php
index 3f9bf92c819d5ebf73717d31cae754bdb60f6357..dcb6988f85dbd181f31a213ab495892d252d22fb 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/SearchSpecsReaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/SearchSpecsReaderTest.php
@@ -2,7 +2,7 @@
 /**
  * Config SearchSpecsReader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/UpgradeTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/UpgradeTest.php
index 2637e931f744121763d18749b68481922d4f0aba..9308ea2af465fd9a25f7e28f3d8993c9dc4a69ef 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/UpgradeTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/UpgradeTest.php
@@ -2,7 +2,7 @@
 /**
  * Config Upgrade Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/VersionTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/VersionTest.php
index 68155196bc5c12902fe5711beccd9211cc304dd6..12ef1994a0a43e42176d99f06eadbd692d1e44c1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/VersionTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/VersionTest.php
@@ -2,7 +2,7 @@
 /**
  * Version Reader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/WriterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/WriterTest.php
index f5ffb4c62cc8b69519fab12f20bd5001f3ed2e66..698bcbb26e47edb5ba469000ba2b8000ffc3d129 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/WriterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/WriterTest.php
@@ -2,7 +2,7 @@
 /**
  * Config Writer Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WikipediaTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WikipediaTest.php
index bd3898b397385297cafdc244cdc4b3c6ba756d7a..35adc059d4899f3ddabecfb10ddfc13aae082502 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WikipediaTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WikipediaTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Wikipedia connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WorldCatUtilsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WorldCatUtilsTest.php
index 64420b82b831b0830dbd6ba1d6cb6e26f576e243..c8f9b28931f86cc1b010c5f6b67825412568589a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WorldCatUtilsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Connection/WorldCatUtilsTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for WorldCat utility connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/AuthorNotes/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/AuthorNotes/PluginManagerTest.php
index 5a9bbbe2e718d173ae866f68113fa2b7c9b0e167..1ec05109fdcc56c80e2685c1b725ce2995d866d8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/AuthorNotes/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/AuthorNotes/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Content AuthorNotes Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/AmazonTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/AmazonTest.php
index 600a693e3711f3cb8762909dbec29c79637adc49..de7b0abea5d2fa531c7b30cc7e6c543b7303d9a5 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/AmazonTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/AmazonTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Amazon cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BooksiteTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BooksiteTest.php
index bf56af6ae92a9c1387cebd6595f09849d676a611..ed043cd006849ec226e3a495f026573ec2ec6135 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BooksiteTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BooksiteTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Booksite cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BuchhandelTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BuchhandelTest.php
index ef4db1828512942fddd414ac15a3bef1356f741f..df051fae5602460e69f2d0d7cf48d180b7910d7a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BuchhandelTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BuchhandelTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Buchhandel cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/ContentCafeTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/ContentCafeTest.php
index 898a479ed2669598d3ce32bfaf37854afa74ac2f..ead0d94022ecb19eddc798fd0d1c56b0ac9ff20d 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/ContentCafeTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/ContentCafeTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for ContentCafe cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/LibraryThingTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/LibraryThingTest.php
index 0d6c3c10e325ce7c01798e3d6ab21fd3bf4e2bf0..d53bbcd701affe33b406a4dedd68a1e6cc3ed931 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/LibraryThingTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/LibraryThingTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for LibraryThing cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/OpenLibraryTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/OpenLibraryTest.php
index 5f28f2769005eee56116d1aaa96041cab03f0cd1..986dffa281511aad91b2f0d514e7730ab2118985 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/OpenLibraryTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/OpenLibraryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for OpenLibrary cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/PluginManagerTest.php
index b9d1222761ffb6558b1258b2fdcf3f1528d2cafa..b077ebb050e9654d3580a8fd2edf3f72390a488c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Content Covers Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/SummonTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/SummonTest.php
index e7409b421b6b41a4e9ec32831866e5c6b3c0084d..3e07757dfd49868993b637d9ede092964c0b71c6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/SummonTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/SummonTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Summon cover loader.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Excerpts/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Excerpts/PluginManagerTest.php
index 8dd428924e1486a104c7446ad0e914a83434b24e..92f73643e687a4f80b1b8a241c4b62274714e798 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Excerpts/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Excerpts/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Content Excerpts Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/PluginManagerTest.php
index 726b35e47c192ad4dbe7f3e04367f05df932a2ce..1d44017a85e7aafc4d0b0f37179141750aaad876 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Content Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Reviews/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Reviews/PluginManagerTest.php
index f2167064a1029ab95c44e4e530a8186ff4da8eee..9784550a2237db3a86e7d58182d555e3536cc1eb 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Reviews/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Reviews/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Content Reviews Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/FollowupTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/FollowupTest.php
index 8cf9d49bfc48a7ff1b65fbd60554af5c536def6e..7ee166d6df4a8b0c6627f11e43bfe2809aaa8e83 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/FollowupTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/FollowupTest.php
@@ -3,7 +3,7 @@
 /**
  * Followup controller plugin tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/NewItemsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/NewItemsTest.php
index 664756a5cdd8e56917ae779dfa9bfec2b054e26a..215a23b2b7d97430d27c905492e940a01966e7e4 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/NewItemsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/NewItemsTest.php
@@ -3,7 +3,7 @@
 /**
  * New items controller plugin tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/ResultScrollerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/ResultScrollerTest.php
index 715a0ecb419685dc44b9910eeec962267bbdfb05..c3f8d252a82063b27782c7bf3ca5c88ae654e12a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/ResultScrollerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Controller/Plugin/ResultScrollerTest.php
@@ -3,7 +3,7 @@
 /**
  * ResultScroller controller plugin tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Cookie/ContainerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Cookie/ContainerTest.php
index 04617e116889feb6f1cd7b28c44fd45ad5df6190..c6ada1dd2879be23649ae6cad48bdf94c7c07792 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Cookie/ContainerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Cookie/ContainerTest.php
@@ -2,7 +2,7 @@
 /**
  * Cookie Container Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/LoaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/LoaderTest.php
index 00fc23a1430cdb7a69a652c6666bc9f5caa2a11a..c93f7c84d03166ca670de56fa40bcb855b74b2e6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/LoaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/LoaderTest.php
@@ -2,7 +2,7 @@
 /**
  * Cover Loader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/RouterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/RouterTest.php
index f7f1b07a1817d6f2136058741562dc76b6e9468a..98150dbbab96f30955595b761f51ffb307db0400 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/RouterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Cover/RouterTest.php
@@ -2,7 +2,7 @@
 /**
  * Cover Router Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Crypt/HMACTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Crypt/HMACTest.php
index 66fc57b47eb22b1bd047a5b56f844fb6078040a5..542b1411580b932ba01182e1d88bb295c90a89fd 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Crypt/HMACTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Crypt/HMACTest.php
@@ -2,7 +2,7 @@
 /**
  * HMAC Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Date/ConverterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Date/ConverterTest.php
index 424b66696d6efa51f337e211ea59ea628faa21fe..9e5d81a228998fe5c7d0f6b8791e2369996bea25 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Date/ConverterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Date/ConverterTest.php
@@ -2,7 +2,7 @@
 /**
  * VuFindDate Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/PluginManagerTest.php
index 5bc0c7492ff08c872012f23e39210f5d1a9bc203..dc5b4e12575be21f19d9c2ebfa5ee3aad3387f90 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * DB Table Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/UserListTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/UserListTest.php
index 0a39fb3e75a6b2fcd725ff161e37a7ab0f576697..2eb49650aab0f38c545db55929335d9783ac0f4c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/UserListTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Table/UserListTest.php
@@ -2,7 +2,7 @@
 /**
  * UserList Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ExportTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ExportTest.php
index 32db1972abe70fa39d165de83d4ea7eb95029c31..e3f57eea0bd81724920daf7402ce7b4473e35f03 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ExportTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ExportTest.php
@@ -2,7 +2,7 @@
 /**
  * Export Support Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/Driver/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/Driver/PluginManagerTest.php
index c2d3ce190438c9d67faef0bf3c9bb04833d23202..697e2a2acc69977be3015e133a1ea0bbb089303a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/Driver/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/Driver/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Driver Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeDataSource/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeDataSource/PluginManagerTest.php
index d41cc732e63a13bb538aae598995d3cf10c15332..5389a660b5f7df6e5030f318e1363d14d9244951 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeDataSource/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeDataSource/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Data Source Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeRenderer/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeRenderer/PluginManagerTest.php
index 31c8289c99328b378e24ed086495c1204eebc6e6..425ce89c9a95577a47088196d90ac338110b8830 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeRenderer/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Hierarchy/TreeRenderer/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Hierarchy Tree Renderer Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/ExtendedIniNormalizerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/ExtendedIniNormalizerTest.php
index 2f8a49afa1344c881f61f5a56aca5298b204f63a..2ab5db550b19fac4a1caeabbaa9993a07a268f05 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/ExtendedIniNormalizerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/ExtendedIniNormalizerTest.php
@@ -2,7 +2,7 @@
 /**
  * ExtendedIniNormalizer Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniReaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniReaderTest.php
index 75343c98d55bacd05e8d134360e47efd8824ce1b..9a9ce5cede8234234db38ef1d96551b545580819 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniReaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniReaderTest.php
@@ -2,7 +2,7 @@
 /**
  * ExtendedIniReader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniTest.php
index 58fe16a397152f40cc69a4edf1cb94978e9ed50e..25799d6672db52d478ee649f6228921935c6979a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/I18n/Translator/Loader/ExtendedIniTest.php
@@ -2,7 +2,7 @@
 /**
  * ExtendedIni translation loader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AlephTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AlephTest.php
index 965d318a1cedef38282464eddab03f598c492fa2..8126dff8e8abc93f7d765c1a40ecb95a3cbf9e5b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AlephTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AlephTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AmicusTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AmicusTest.php
index cea8f4151d79ee4438a20f3f0fac24d97ba54b32..9d0555b006ee2493c307c9bd5f1bb4319bd56524 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AmicusTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/AmicusTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DAIATest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DAIATest.php
index b9bd12d8f402f62966b58058b92df719d8a8d787..c1850ee7d630506b6afce9a00fb9c818b208ee65 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DAIATest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DAIATest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DemoTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DemoTest.php
index c1c875dd8b713f7cd023eb384207d78b770f04f6..62b14e0da16d740023b945e69b06466adaadc4c0 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DemoTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/DemoTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/EvergreenTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/EvergreenTest.php
index 6da0eeb3f2e5b0c447b0ed975383aa48cd21ac10..13a1f98a08ac58ebec6d6210e5b699cce55dbaff 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/EvergreenTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/EvergreenTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonTest.php
index 466cd587c4f98815416995ce9bbeeae78eee970e..195293e333f327e364997b1c4af58a476b20ee90 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonXMLAPITest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonXMLAPITest.php
index eb2164af8255b26c91d4e14a008cc3a09f319bc5..0f1dfba14a3f83e6339cec525bdeb741d20a83bc 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonXMLAPITest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/HorizonXMLAPITest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/InnovativeTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/InnovativeTest.php
index fa4436f08ac743913885882afcc891c7e18e0241..bf4f803cf02fbe396a59d54a9b99b483339c1794 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/InnovativeTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/InnovativeTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/KohaTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/KohaTest.php
index 8faaa47250337911e8ada316136f212c1ab9acfe..af5838dc422f0f48ce5a7afb95cc17a1c73ee602 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/KohaTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/KohaTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
index 3c432b1c7ef6129ddd28d10395e032cd7caf070e..2fa754c75815d0a4c502a2ed0b3bd37655d6440b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  * Copyright (C) The National Library of Finland 2014-2016.
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NewGenLibTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NewGenLibTest.php
index 263f487a35886e244c48cb93e2a8ed4b85156b8f..e7951bedd699afdebfcad9f59a38e19cb1f630a1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NewGenLibTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NewGenLibTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NoILSTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NoILSTest.php
index 87cf76669575402199101290d542c37d60f86c78..b318f66506d28b3c4b3bd6eeb6d66f430e47ff45 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NoILSTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/NoILSTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
index 150ae1cb5cc708ea136417b22733d3fff5a2e977..e4ad2042867f40ba7417253958ed4b7234684a4a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PluginManagerTest.php
index 860ae66e03c47eb448bc72e216c396dec77b69a8..5dd4651532613545fc8f93220b739e0fc9e8b329 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS Driver Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PolarisTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PolarisTest.php
index e8487d6cbe35c1f9b18ba8f5348f5cd5bd857521..ea4c93d9e40902af004f2861ba3b03e2140f1c10 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PolarisTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PolarisTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SampleTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SampleTest.php
index 2d55e2a411440e7b2ab48123b4559ea58c6dcabd..c478eda1c110f54caba608e2a7ea890bfdee38ed 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SampleTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SampleTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SymphonyTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SymphonyTest.php
index b8d62c4bbd8d5fea9d03558163535e6bfaad3a15..5ffbe0d459a8d119018001d73a1e3220074c06c8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SymphonyTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/SymphonyTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/UnicornTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/UnicornTest.php
index 28ed82cc2984057a68a557d80aed1ecefc479710..e99608f905cc79ff332b588eb27c78cab84c60ab 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/UnicornTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/UnicornTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VirtuaTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VirtuaTest.php
index ea685905ea5dcd951dd6f71d85d28559385ce70c..f63a87060112340b5f2e02b4ed916a4ffd83d95e 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VirtuaTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VirtuaTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerRestfulTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerRestfulTest.php
index aa95a67a18ada1111ff4f3c16035ffef196cbfdf..7226c5c8da3d961cc6bc141e8d8e967980932caa 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerRestfulTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerRestfulTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerTest.php
index 16cf20eabb0ca3d6a7a79032e4828e0411449a30..947c5c74b1a2043da070916154c00b903027c2a6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/VoyagerTest.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/XCNCIP2Test.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/XCNCIP2Test.php
index 8e9d568edff91d3dfa0a01d6c2e0a8c454ccd9bd..799088000b19b1ffb3c03985fe7ae6b9745c1496 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/XCNCIP2Test.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/XCNCIP2Test.php
@@ -2,7 +2,7 @@
 /**
  * ILS driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
index 58547955a5196569f35a70b093f38acf0f8810c7..1b96dd4f93256c9c7aa6c01fb502d99cda03dc0e 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
@@ -2,7 +2,7 @@
 /**
  * Logger Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Mailer/MailerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Mailer/MailerTest.php
index 330a1a76097aacb379969956a8b74c069ec8fd24..e61579f131c3b6b226c0c38b2561d558c8c88f83 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Mailer/MailerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Mailer/MailerTest.php
@@ -2,7 +2,7 @@
 /**
  * Mailer Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Net/IpAddressUtilsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Net/IpAddressUtilsTest.php
index 779186befb4df708ac70484559dd83299b1f9f83..98e7bd1a61d379912573b380eef773691ba752e4 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Net/IpAddressUtilsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Net/IpAddressUtilsTest.php
@@ -2,7 +2,7 @@
 /**
  * IpAddressUtils Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/OAI/ServerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/OAI/ServerTest.php
index b1edff494fdcbc71c8be78e25bfc7448039052a9..028e50ba26121ac0b4defebee08d2f5c4feb354c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/OAI/ServerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/OAI/ServerTest.php
@@ -3,7 +3,7 @@
 /**
  * OAI-PMH server unit test.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php
index 47648b8ef5a4c870af651fe9d4fa423a9f0e5657..c7f5e3113a17f7470eefe6dd7b452fcff5ba0b45 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/QRCode/LoaderTest.php
@@ -2,7 +2,7 @@
 /**
  * QR Code Loader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/CollectionSideFacetsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/CollectionSideFacetsTest.php
index 3ce1b99989a15ebf248bab14fd83c97cdf80f4d4..4d0644325249ea12b7a3081f6e1d46f0a7d5498c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/CollectionSideFacetsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/CollectionSideFacetsTest.php
@@ -2,7 +2,7 @@
 /**
  * CollectionSideFacets recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsDeferredTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsDeferredTest.php
index 69c637449e36a6512a53e226db1d832c555dc34f..1605fe3e86ea493f7c47acfa6bc78e48be755d86 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsDeferredTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsDeferredTest.php
@@ -2,7 +2,7 @@
 /**
  * EuropeanaResultsDeferred recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsTest.php
index ae9b739a6dfb830d4ed9667dabee55d0d6eaefe4..c62f2368b266cc4b21863f1d070b55758b3c1837 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/EuropeanaResultsTest.php
@@ -3,7 +3,7 @@
 /**
  * EuropeanaResults tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/ExpandFacetsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/ExpandFacetsTest.php
index a475a2c8bb702597292f0899a30aef8f222a9afc..738dfcdf999c03a1a74d0329d7fb9271f5bd47a4 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/ExpandFacetsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/ExpandFacetsTest.php
@@ -2,7 +2,7 @@
 /**
  * ExpandFacets recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FacetCloudTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FacetCloudTest.php
index 326583aace96e8fc8153075cc977e3c2e297b25e..2999bbd7c80b5cc1a9390527aa0d711edf9e9f26 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FacetCloudTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FacetCloudTest.php
@@ -2,7 +2,7 @@
 /**
  * FacetCloud recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FavoriteFacetsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FavoriteFacetsTest.php
index 04b62775974ad149d0ab5b755248f8cea888ab02..526ef0baf8a1a79c5de805bd9114875989f3fcc5 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FavoriteFacetsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/FavoriteFacetsTest.php
@@ -2,7 +2,7 @@
 /**
  * FavoriteFacets recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/OpenLibrarySubjectsDeferredTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/OpenLibrarySubjectsDeferredTest.php
index 7eac330748e36dce791bda1aae71da1a696ed792..5a7548c970bc4c03b6359217ee1803ac6b146fa5 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/OpenLibrarySubjectsDeferredTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/OpenLibrarySubjectsDeferredTest.php
@@ -2,7 +2,7 @@
 /**
  * OpenLibrarySubjectsDeferred recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/PluginManagerTest.php
index 1172686878ba52ab6bc5097a933389d61f079953..3c652a665d8a1bca92d0dfb441739e929c1b2e15 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Recommend Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/RandomRecommendTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/RandomRecommendTest.php
index 414b4ce8e814435bc992e7cf379ab5e715938c44..380e48d15b4770b9fd570023f64694527512f833 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/RandomRecommendTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/RandomRecommendTest.php
@@ -3,7 +3,7 @@
 /**
  * Random Recommend tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SideFacetsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SideFacetsTest.php
index 71d8457f29b181e197fe0f33dc1d9a75449b9e39..8fe36e25349108d490710f84469041f89fb67ced 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SideFacetsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SideFacetsTest.php
@@ -2,7 +2,7 @@
 /**
  * SideFacets recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonBestBetsDeferredTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonBestBetsDeferredTest.php
index 91972c247cbe955fce68c7f4e9e9e9c2744b81ad..fe3bd28894e735154f2e09f4777e1578c8e5136b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonBestBetsDeferredTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonBestBetsDeferredTest.php
@@ -2,7 +2,7 @@
 /**
  * SummonBestBetsDeferred recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonDatabasesDeferredTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonDatabasesDeferredTest.php
index ae0a5d751ed3f35208528d92e446df6fbc599ba7..8adee83d664e50e9243ef2031ec8e323b8ad7c8f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonDatabasesDeferredTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonDatabasesDeferredTest.php
@@ -2,7 +2,7 @@
 /**
  * SummonDatabasesDeferred recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonResultsDeferredTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonResultsDeferredTest.php
index 6e14b1a74dd0f649435aaf61de33b82ee5b1360f..1b1de8f9cf5ff376a4e18a7a5c55bf5fb40dcfea 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonResultsDeferredTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SummonResultsDeferredTest.php
@@ -2,7 +2,7 @@
 /**
  * SummonResultsDeferred recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SwitchQueryTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SwitchQueryTest.php
index 4f75c5b7de9defd616f2ba60790b8cb1fbc839f3..ac31c69799a0bf57e527a6675d5eae8733ef85da 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SwitchQueryTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Recommend/SwitchQueryTest.php
@@ -2,7 +2,7 @@
 /**
  * SwitchQuery recommendation module Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/CacheTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/CacheTest.php
index 5629b1bf6ee4dfab429d12c6bf05d8991fae7d13..815f3bf47d778559aea76f08fbd2d874ea65be77 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/CacheTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/CacheTest.php
@@ -3,7 +3,7 @@
 /**
  * Record cache tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2015.
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/LoaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/LoaderTest.php
index 99ce6b1f5dde62c394aeef83faa2ee0ec8f28959..fa903566315d9fb8c57767fc8372de58a2c9373d 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/LoaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/LoaderTest.php
@@ -3,7 +3,7 @@
 /**
  * Record loader tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/RouterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/RouterTest.php
index e6f310fadcf4c4da4bb6102e2adbf17a0f93a1bd..8d52579f18c0455c1275c20e1285e48941ee37ca 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/RouterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/RouterTest.php
@@ -3,7 +3,7 @@
 /**
  * Record router tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/PluginManagerTest.php
index 98816b310d3fd56e85e606fcb45060e07173b57d..27e833205ced22be4226e19f1283730bf5aab439 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * RecordDriver Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/Response/PublicationDetailsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/Response/PublicationDetailsTest.php
index 42414dcab596c4c5f1b6d3e7e4efb579e57542c4..07f812d2b4c49f5d7c7aaa5b5f4a2f07544c4880 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/Response/PublicationDetailsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/Response/PublicationDetailsTest.php
@@ -2,7 +2,7 @@
 /**
  * SolrMarc Record Driver Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrDefaultTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrDefaultTest.php
index df613d848f8c55ff1d2c5795f0445d7960a12e28..78c13f80ff74ca7446f3ea4588905105eb995480 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrDefaultTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrDefaultTest.php
@@ -2,7 +2,7 @@
 /**
  * SolrDefault Record Driver Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrMarcTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrMarcTest.php
index 458895121e37ba84733e5442504361d3e768e27c..471e108c182430e839bcd11c86e69362a685d6cb 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrMarcTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordDriver/SolrMarcTest.php
@@ -2,7 +2,7 @@
 /**
  * SolrMarc Record Driver Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordTab/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordTab/PluginManagerTest.php
index cf0d8ad0bba467e9296d3afa72bdfc373280a946..df6b526337ba404d5bf6285dbafa4931c64a99f6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/RecordTab/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/RecordTab/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * RecordTab Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/PluginManagerTest.php
index 73354d78e1bef79458102d16c0d0726c8d4e388d..8c15dd964e5aa6e628773729ca1fbc7a7cfa1236 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Related Items Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/SimilarTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/SimilarTest.php
index 3dcce7f1d04c789b885bd2b194b64cd585b3a417..2edd9b59ea248e33edc85f9b05f2da9d966e9237 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/SimilarTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/SimilarTest.php
@@ -2,7 +2,7 @@
 /**
  * Similar Related Items Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/WorldCatSimilarTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/WorldCatSimilarTest.php
index 8bb567431ec8df3716dd502cbef048919a3371bc..83ca8b1ec20c00494349aff1d6daf22a51763dae 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Related/WorldCatSimilarTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Related/WorldCatSimilarTest.php
@@ -2,7 +2,7 @@
 /**
  * WorldCat Similar Related Items Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Reserves/CsvReaderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Reserves/CsvReaderTest.php
index 6a510fa18bfd78e66408fb952a5c81e31e2d395b..59e451a69825c181984b29b7887ba056bf76f1da 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Reserves/CsvReaderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Reserves/CsvReaderTest.php
@@ -2,7 +2,7 @@
 /**
  * Course Reserves CSV Loader Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/EzbTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/EzbTest.php
index b2e43f3f289f2e70a5e449063ff872f95811b09d..d2ac85651ba6135dedec207a266d7c693d101c9a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/EzbTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/EzbTest.php
@@ -2,7 +2,7 @@
 /**
  * Ezb resolver driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Leipzig University Library 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/PluginManagerTest.php
index b3522ae22ae84c53c34562448871fd6a6ff73210..26d7391bfcc32ce625b4994ef28730465ab41920 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Resolver\Driver Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/RediTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/RediTest.php
index 3663cad914b8199987e5e06ee19d2e963dc7474e..eb2e8505644eaee7b43c4885966ff7104de0fe8b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/RediTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Resolver/Driver/RediTest.php
@@ -2,7 +2,7 @@
 /**
  * Redi resolver driver test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Leipzig University Library 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/DynamicRoleProviderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/DynamicRoleProviderTest.php
index 258fe78ecabe1676f55e8f689012c1a30a279af3..acaedee09ac977c6397084b8cc0fc8c79114219f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/DynamicRoleProviderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/DynamicRoleProviderTest.php
@@ -2,7 +2,7 @@
 /**
  * Dynamic Role Provider Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionDeniedManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionDeniedManagerTest.php
index a08c24422f160519453152dab3f0dba1e776a011..146ca15572a2bea12baedb7cc8e8aad757955d78 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionDeniedManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionDeniedManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionManager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionManagerTest.php
index 592e965b06774cf03c90974bc45b214f7c6e6c81..64cd58bbf554fdd60814980e7ce460a3774e9d0b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionManager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/PluginManagerTest.php
index 6da876896656a57f240135ed863c76abd34adc5f..7827ba0082c2c61207bbd29ea1d68562e9ca68d5 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionProvider Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ServerParamTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ServerParamTest.php
index 7593a0ee45ca31f811103c8469619a7a642025df..e16a476718adb39bc27f72a4bd0794d051ebd2a3 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ServerParamTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ServerParamTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionProvider ServerParam Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ShibbolethTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ShibbolethTest.php
index 0af3651e828108c58820ea6d675d7ee43b9fffdf..7e1d337f421285e73963fded8cf2299917cda80f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ShibbolethTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/ShibbolethTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionProvider Shibboleth Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/UserTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/UserTest.php
index 5dac577db3d889418d256f313f1d1be60b40044e..276bc22651b8ac4a30cc129a883be4516fffbd60 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/UserTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Role/PermissionProvider/UserTest.php
@@ -2,7 +2,7 @@
 /**
  * PermissionProvider User Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/SMS/ClickatellTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/SMS/ClickatellTest.php
index 6d926dd00fb1f991b6e7242f7150c857157b8319..a6e1eb12ebe61d6f846cbe7e112d3436c04a8991 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/SMS/ClickatellTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/SMS/ClickatellTest.php
@@ -2,7 +2,7 @@
 /**
  * SMS test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/BackendManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/BackendManagerTest.php
index 5ff43c7e8f18acb3581823daf7e696e7de0fa3e1..a12d93cdc5a5c864de9925e6b5148782e5e27ac4 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/BackendManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/BackendManagerTest.php
@@ -3,7 +3,7 @@
 /**
  * BackendManager unit tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Base/ParamsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Base/ParamsTest.php
index 943b426f3c6072ab49b3d6b7e0cdc67b45106b22..2ff6af9f3c189f6402a984ef65a3070a0d76f8ce 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Base/ParamsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Base/ParamsTest.php
@@ -2,7 +2,7 @@
 /**
  * Base Search Object Parameters Test
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/MemoryTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/MemoryTest.php
index cbad1b53f6f7f3962254df0fcfa6754da6ac2367..e360068fa1eb4cb6a0502736463fefe017093e5c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/MemoryTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/MemoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Memory unit tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Options/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Options/PluginManagerTest.php
index 3a0c7547128cefacf76fc28bf065a7cf82108f6a..3bca379c3238acdf1eee6b14bd4b1feeb0d8e9b6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Options/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Options/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Search\Options Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Params/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Params/PluginManagerTest.php
index 8ba909ca1fea2478f231f361f70c3f475df622a0..152c368493d2da0763f9eba34bf5b9d291cc292c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Params/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Params/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Search\Params Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/OnCampusListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/OnCampusListenerTest.php
index 31e4a46ff235166f867c5500767530f164c750b7..4d4840d1802f51937fa819f1e50bb5cae2048be1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/OnCampusListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/OnCampusListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for OnCampus listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/PrimoPermissionHandlerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/PrimoPermissionHandlerTest.php
index 280d11474aadbcc8c638796831f8f164d1400664..6bc48e2bcf52a94e87478c5d7bb72d6439895470 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/PrimoPermissionHandlerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Primo/PrimoPermissionHandlerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo Permission Handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/QueryAdapterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/QueryAdapterTest.php
index 238a939f3493d8fc3ccdc308cb3f22585a0dee45..ecaf3401bc53088057d9ba46faad73e632927090 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/QueryAdapterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/QueryAdapterTest.php
@@ -3,7 +3,7 @@
 /**
  * QueryAdapter unit tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Results/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Results/PluginManagerTest.php
index 1f079562fd1482d5a8763030d9f82ef0918d7407..a68acf7ffce638c3147de38a2f3b75720ad5e8f6 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Results/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Results/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Search\Results Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
index 051386326411536cc6f1a89bc27a433f7a9e7283..fe4933a71f68d91f4624d0e5e83e1405e8be0360 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
@@ -3,7 +3,7 @@
 /**
  * SearchTabsHelper unit tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/ConditionalFilterListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/ConditionalFilterListenerTest.php
index ebe5e0a339d711a75dc229a1db17796aca890e85..37c9013d35144c29b9cd167f710a8b0aacc7f8e8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/ConditionalFilterListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/ConditionalFilterListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Conditional Filter listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/FilterFieldConversionListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/FilterFieldConversionListenerTest.php
index b5e56298c02b6889cede027ea2daccd5edb9539e..faa65233eee3fec33b1f4a4981edcfddaeb58e86 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/FilterFieldConversionListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/FilterFieldConversionListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for FilterFieldConversionListener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HideFacetValueListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HideFacetValueListenerTest.php
index 27218fbfc1ef8a63ee0d06ecf806cf11bf2b2a71..81c61ad31d1f2d6ad481dd68ab90ce7fea06dd4a 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HideFacetValueListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HideFacetValueListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Hide Facet Value Listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HierarchicalFacetHelperTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HierarchicalFacetHelperTest.php
index fcdd3e7e2654b4c8b00b8b8aedc3d70eba1b8599..4df48e826fc7172470409706f29fb4ea9f8c593c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HierarchicalFacetHelperTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/HierarchicalFacetHelperTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Hierarchical Facet Helper.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2014.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/MultiIndexListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/MultiIndexListenerTest.php
index e2baf1f0c00d00f8976de4e1f0465d7a102d3ed6..82d1773dfed84c67f5215a2c408bfefbfa500137 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/MultiIndexListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/MultiIndexListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for multiindex listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/SpellingProcessorTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/SpellingProcessorTest.php
index 01d71e263feb8be541cbd4026b6f1c23fde5d208..b62166ad154836bfb00dc817ef61fb412cb5217f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/SpellingProcessorTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/SpellingProcessorTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for spelling processor.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V3/ErrorListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V3/ErrorListenerTest.php
index 222b478c62d543b4c204f8e55acde74b5bfe7902..be88993963857e8ed805bed4b98f20575600e6f1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V3/ErrorListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V3/ErrorListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR 3.x error listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V4/ErrorListenerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V4/ErrorListenerTest.php
index 3c24ec373f92560dc99bb5bf977b5a2f7f26b198..32ccb0f284a87025f0aed5f0671ada90593d1bfc 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V4/ErrorListenerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/Solr/V4/ErrorListenerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR 3.x error listener.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/UrlQueryHelperTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/UrlQueryHelperTest.php
index 0ad358e81a101b1e2aafc6d4b4dd6938fe884712..ab512b0b5ed8994d961150de9285903cc50d3f40 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/UrlQueryHelperTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/UrlQueryHelperTest.php
@@ -3,7 +3,7 @@
 /**
  * UrlQueryHelper unit tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Session/PluginManagerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Session/PluginManagerTest.php
index dc6dbf04dd146082ef7a8c8fd33180f01cea51df..62e31a9846a3bb4f0425d4da620ba8a23cf74c49 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Session/PluginManagerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Session/PluginManagerTest.php
@@ -2,7 +2,7 @@
 /**
  * Session Plugin Manager Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/SimpleXMLTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/SimpleXMLTest.php
index d7d6a797da65b0f1e1e9077557e9553f202b3c3d..6470981168d1d26dabf153fff456db5fdfbda48b 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/SimpleXMLTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/SimpleXMLTest.php
@@ -2,7 +2,7 @@
 /**
  * SimpleXML Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapIndexTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapIndexTest.php
index 2d77bf8557680a82166b134be5cff709fdf9e8b2..4f0672545c2f3745ed1d0fd0895f82526bb0e6f0 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapIndexTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapIndexTest.php
@@ -2,7 +2,7 @@
 /**
  * SitemapIndex Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapTest.php
index 7bb8c8d10ad57e2e80ab552e4234d37ebc97c9f7..e4a80b6f487c8cf29b276ef66685b373883c408c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Sitemap/SitemapTest.php
@@ -2,7 +2,7 @@
 /**
  * Sitemap Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/UtilsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/UtilsTest.php
index 4ad40c50a631da3411ee9046a1b7f0434233b95d..c644b2f38eddf97b8ac3f84b522269b47cb09377 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/UtilsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/UtilsTest.php
@@ -2,7 +2,7 @@
 /**
  * Solr Utils Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/WriterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/WriterTest.php
index 823b7986777489d0cd13199d558a81ab8e763ebc..430dd1fb8021df6346e3ae2e0d80dfce7a5258ae 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/WriterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Solr/WriterTest.php
@@ -2,7 +2,7 @@
 /**
  * Solr Writer Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/TagsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/TagsTest.php
index dcc860e00151e88012ac0811d93800fdc75a9dea..8d35f5a9666c3eeecab4caabec09ad07f7487eb5 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/TagsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/TagsTest.php
@@ -2,7 +2,7 @@
 /**
  * Tags Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CartTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CartTest.php
index c3472d0dd78c24f4e5293ccf11f15ce4c921ed67..4f943bfbf844e83e9f8033a897d0054306e4b0da 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CartTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CartTest.php
@@ -2,7 +2,7 @@
 /**
  * Cart view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CitationTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CitationTest.php
index 50b702882f0619096f7b301cffe698feb02d2b4c..f236b42995f916c4dde65a4cf4310e203a4b335c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CitationTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/CitationTest.php
@@ -2,7 +2,7 @@
 /**
  * CitationBuilder Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/GoogleAnalyticsTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/GoogleAnalyticsTest.php
index 381bfcd366f9d89e36f596e0128942cd5b29e021..c634a51f1f9da7f1ca2b67f14b37cb83e39ce65d 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/GoogleAnalyticsTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/GoogleAnalyticsTest.php
@@ -2,7 +2,7 @@
 /**
  * GoogleAnalytics view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/OpenUrlTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/OpenUrlTest.php
index e1f1d34e36088ae04959d31285dd70c928e39dea..21b141d395c405d82ac02b0821d4f5e8734c59fb 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/OpenUrlTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/OpenUrlTest.php
@@ -2,7 +2,7 @@
 /**
  * OpenUrl Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/PermissionTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/PermissionTest.php
index 5ef21e68d20d6cf0430f4ea750809c2d82422b83..ba64a52f0df32fc502e8767f9b6c44d74740b91c 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/PermissionTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/PermissionTest.php
@@ -2,7 +2,7 @@
 /**
  * Permission view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatter/SpecBuilderTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatter/SpecBuilderTest.php
index d6a79d371c31639eaee0b77edec9ac38e942cb97..d6d9c7e847fd5bf739c4c4affdf1682e1d5db4b7 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatter/SpecBuilderTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatter/SpecBuilderTest.php
@@ -2,7 +2,7 @@
 /**
  * RecordDataFormatter spec builder Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatterTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatterTest.php
index 3d40d805cbcd3e0ef63301fe4e414f352ccd6404..7bea54ce05f704fe9301feb6fe559d86e7f45e66 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatterTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordDataFormatterTest.php
@@ -2,7 +2,7 @@
 /**
  * RecordDataFormatter Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordTest.php
index 6124693ab56621caa950bb136d9f3bba4ee4e568..6151a184dc0c1be70a0467eb03a2029addcb8bf1 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/RecordTest.php
@@ -2,7 +2,7 @@
 /**
  * Record view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/SafeMoneyFormatTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/SafeMoneyFormatTest.php
index 0dc1f8e6848590cd4375c234166fe593406b873d..7a8ea1f96568639c255a74be9caca1c584d2304f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/SafeMoneyFormatTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/SafeMoneyFormatTest.php
@@ -2,7 +2,7 @@
 /**
  * SafeMoneyFormat view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/TranslateTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/TranslateTest.php
index 5da2c26f541e68b42ec8a852de7db29aa361d4e5..f058cb96a5cbe2931694c304ecace313b4a4bc19 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/TranslateTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/TranslateTest.php
@@ -2,7 +2,7 @@
 /**
  * Translate view helper Test Class (and by extension, the TranslatorAwareTrait)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/Module.php b/module/VuFindAdmin/Module.php
index 7d8ed0e5e8b3d59e907b1245afd01cc1f787bb62..e93b241e9335630fbbfabcf6cdf94f5a26d45d6b 100644
--- a/module/VuFindAdmin/Module.php
+++ b/module/VuFindAdmin/Module.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Admin Tools module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/AbstractAdmin.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/AbstractAdmin.php
index 446946691a13fc678cabace05b4af3dee3db14c0..6f8288f0b14384e9dbbab0a7bf1344f712e7c3f1 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/AbstractAdmin.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/AbstractAdmin.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Admin Controller Base
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/AdminController.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/AdminController.php
index cbdf3d03cd41d0971ec81996f03df576455eec6b..5c431ad8c173dccf907d8924fe53a49acc31b1b8 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/AdminController.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/AdminController.php
@@ -2,7 +2,7 @@
 /**
  * Admin Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/ConfigController.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/ConfigController.php
index c02961d7344781fda3887fa93821fdbbdc9f8b54..75a829e8d4647da8a352758c558b3c41801c3d6d 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/ConfigController.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/ConfigController.php
@@ -2,7 +2,7 @@
 /**
  * Admin Configuration Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/MaintenanceController.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/MaintenanceController.php
index 82dd6f94c4dead858848a4e3f497d796c6dc816e..bd5349a7223fe3a7d51079d3d6f9fe52d368aea6 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/MaintenanceController.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/MaintenanceController.php
@@ -2,7 +2,7 @@
 /**
  * Admin Maintenance Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/SocialstatsController.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/SocialstatsController.php
index 067ee3bd2fa6989c162facabc55c44ec0996918d..4d80265e5fef41064d76a6340d8d76c186fac44a 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/SocialstatsController.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/SocialstatsController.php
@@ -2,7 +2,7 @@
 /**
  * Admin Social Statistics Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/src/VuFindAdmin/Controller/TagsController.php b/module/VuFindAdmin/src/VuFindAdmin/Controller/TagsController.php
index 9ea1fd38bda082210379031baffa8e9619b87d32..7e1bb3c5cd1ac6775b03d75bf2c904fe24afa66a 100644
--- a/module/VuFindAdmin/src/VuFindAdmin/Controller/TagsController.php
+++ b/module/VuFindAdmin/src/VuFindAdmin/Controller/TagsController.php
@@ -2,7 +2,7 @@
 /**
  * Admin Tag Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindAdmin/tests/unit-tests/src/VuFindTest/Controller/SocialstatsControllerTest.php b/module/VuFindAdmin/tests/unit-tests/src/VuFindTest/Controller/SocialstatsControllerTest.php
index 1058e786afe7143a48cfa7185020ff9496e696f8..7a6cfb73c2c8c6d5996b4d1c4bd35413e23c487d 100644
--- a/module/VuFindAdmin/tests/unit-tests/src/VuFindTest/Controller/SocialstatsControllerTest.php
+++ b/module/VuFindAdmin/tests/unit-tests/src/VuFindTest/Controller/SocialstatsControllerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Socialstats controller.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFindApi/Module.php b/module/VuFindApi/Module.php
index 6ef8b33c75e45c3524e28c29bec16bd019e3de1d..71851a7c866085b8527bbb0f5d829fa5a0ccebe4 100644
--- a/module/VuFindApi/Module.php
+++ b/module/VuFindApi/Module.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Api module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Controller/ApiController.php b/module/VuFindApi/src/VuFindApi/Controller/ApiController.php
index 9f2d0e475f85a4e4261a7d12bddcf746f1eeee13..a7e0730f8db35fcc59bb53f911fc7d93a195bf6b 100644
--- a/module/VuFindApi/src/VuFindApi/Controller/ApiController.php
+++ b/module/VuFindApi/src/VuFindApi/Controller/ApiController.php
@@ -2,7 +2,7 @@
 /**
  * API Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015-2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Controller/ApiInterface.php b/module/VuFindApi/src/VuFindApi/Controller/ApiInterface.php
index f6121c3bed45bd2eb90d8b4b3b09fde2afcb4dd1..05a7a7eb5b4081906853151dd6b8c7b80d00dd6f 100644
--- a/module/VuFindApi/src/VuFindApi/Controller/ApiInterface.php
+++ b/module/VuFindApi/src/VuFindApi/Controller/ApiInterface.php
@@ -2,7 +2,7 @@
 /**
  * Additional functionality for API controllers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library 2015.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Controller/ApiTrait.php b/module/VuFindApi/src/VuFindApi/Controller/ApiTrait.php
index 6b29bc2ab1ab29c9ede0157164ce8818bd073da1..fd056266039895a4530c7bd630c1aa1d1b9c9f7a 100644
--- a/module/VuFindApi/src/VuFindApi/Controller/ApiTrait.php
+++ b/module/VuFindApi/src/VuFindApi/Controller/ApiTrait.php
@@ -2,7 +2,7 @@
 /**
  * Additional functionality for API controllers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library 2015-2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Controller/Factory.php b/module/VuFindApi/src/VuFindApi/Controller/Factory.php
index 6b60fe6ec47ffa4ccb0632e02116b2c7690771e6..0f95d5a5d1bed4677812c6e985b84c62fb4fa121 100644
--- a/module/VuFindApi/src/VuFindApi/Controller/Factory.php
+++ b/module/VuFindApi/src/VuFindApi/Controller/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for controllers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Controller/SearchApiController.php b/module/VuFindApi/src/VuFindApi/Controller/SearchApiController.php
index 2c4b57117096691f18de8509e2e6ef85918f02e5..1794a75f42790481a973aedafd06a31a94d1e719 100644
--- a/module/VuFindApi/src/VuFindApi/Controller/SearchApiController.php
+++ b/module/VuFindApi/src/VuFindApi/Controller/SearchApiController.php
@@ -2,7 +2,7 @@
 /**
  * Search API Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015-2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Formatter/BaseFormatter.php b/module/VuFindApi/src/VuFindApi/Formatter/BaseFormatter.php
index c824547e28944cebc69cb02185497aebc24f82b1..96588b0bfa4f6ce0e51b61199e6ce91493c15f50 100644
--- a/module/VuFindApi/src/VuFindApi/Formatter/BaseFormatter.php
+++ b/module/VuFindApi/src/VuFindApi/Formatter/BaseFormatter.php
@@ -2,7 +2,7 @@
 /**
  * Base formatter for API responses
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015-2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Formatter/FacetFormatter.php b/module/VuFindApi/src/VuFindApi/Formatter/FacetFormatter.php
index 0136cc8adfa2e31f8f58970f0a456bd99f4a460c..55b70c11a433e956b07be6c1b89b59403fba13b6 100644
--- a/module/VuFindApi/src/VuFindApi/Formatter/FacetFormatter.php
+++ b/module/VuFindApi/src/VuFindApi/Formatter/FacetFormatter.php
@@ -2,7 +2,7 @@
 /**
  * Facet formatter for API responses
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015-2016.
  *
diff --git a/module/VuFindApi/src/VuFindApi/Formatter/RecordFormatter.php b/module/VuFindApi/src/VuFindApi/Formatter/RecordFormatter.php
index 3b1ddfec5a2bfa6721662eb37a680bdd02a31a14..0394f6e91ba9a6d7f791fcef61e862c4092e3f38 100644
--- a/module/VuFindApi/src/VuFindApi/Formatter/RecordFormatter.php
+++ b/module/VuFindApi/src/VuFindApi/Formatter/RecordFormatter.php
@@ -2,7 +2,7 @@
 /**
  * Record formatter for API responses
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2015-2016.
  *
diff --git a/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/FacetFormatterTest.php b/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/FacetFormatterTest.php
index 3dc10384df6b1797a1e5433168c42609de21e8ef..2f3c71b3e59fd070ef9dd38725dc2ae1a3a2e7b7 100644
--- a/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/FacetFormatterTest.php
+++ b/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/FacetFormatterTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for facet formatter.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/RecordFormatterTest.php b/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/RecordFormatterTest.php
index 029ee3ca46cda85af83f64ef1045104c2896c459..686cfb894d947102266bc96b5d32bc80eaf862fe 100644
--- a/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/RecordFormatterTest.php
+++ b/module/VuFindApi/tests/unit-tests/src/VuFindTest/Formatter/RecordFormatterTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for record formatter.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFindConsole/Module.php b/module/VuFindConsole/Module.php
index 6c4b4c7fa03d2e75d8bc40a20352665676cf4034..2b8ecc1b0aefcf9297295c39c45458497eb3a250 100644
--- a/module/VuFindConsole/Module.php
+++ b/module/VuFindConsole/Module.php
@@ -2,7 +2,7 @@
 /**
  * ZF2 module definition for the VuFind console module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/AbstractBase.php b/module/VuFindConsole/src/VuFindConsole/Controller/AbstractBase.php
index 592d7e7a1487488c3dfa0ad2b9d175abdb7df577..78322f74f8bc04ce00ec985a281f6b95bf80d4fb 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/AbstractBase.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/AbstractBase.php
@@ -3,7 +3,7 @@
  * VuFind controller base class (defines some methods that can be shared by other
  * controllers).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/CompileController.php b/module/VuFindConsole/src/VuFindConsole/Controller/CompileController.php
index cc40961b8e4d12ae1bc8ccc557945e61f93af152..d2696c70ec9ea62c54780d9e25b628f4b2d2eec1 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/CompileController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/CompileController.php
@@ -2,7 +2,7 @@
 /**
  * Compile Controller Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/GenerateController.php b/module/VuFindConsole/src/VuFindConsole/Controller/GenerateController.php
index 1ea172e5f5f646a739ed3461f7063c7ec3908edd..01252e446f5e7e0dd1a2122af42365468bb82b2f 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/GenerateController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/GenerateController.php
@@ -2,7 +2,7 @@
 /**
  * CLI Controller Module (language tools)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/HarvestController.php b/module/VuFindConsole/src/VuFindConsole/Controller/HarvestController.php
index 777eeb12a6009eb9bee33eabe3f7710494f15040..fdbb12bff3105c95bf906d751f2f4cbafc6995b0 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/HarvestController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/HarvestController.php
@@ -2,7 +2,7 @@
 /**
  * CLI Controller Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/ImportController.php b/module/VuFindConsole/src/VuFindConsole/Controller/ImportController.php
index f2295eb4d6c9bf7a35d0b41c6a1042003f2b9683..8c1ff0c2c23a0296d44b9471515af4669f1db46d 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/ImportController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/ImportController.php
@@ -2,7 +2,7 @@
 /**
  * CLI Controller Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/LanguageController.php b/module/VuFindConsole/src/VuFindConsole/Controller/LanguageController.php
index 501ebb493dc6fa00c8dd4542b72bf8b776363711..c130d346ea61f90938c6bdb31a173829c0f3569c 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/LanguageController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/LanguageController.php
@@ -2,7 +2,7 @@
 /**
  * CLI Controller Module (language tools)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/RedirectController.php b/module/VuFindConsole/src/VuFindConsole/Controller/RedirectController.php
index 7cfff300af6c617fe1b6add681f5db7e3b391d8e..23dca95fb007d01ba6fda90be027177b0bf7c00c 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/RedirectController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/RedirectController.php
@@ -2,7 +2,7 @@
 /**
  * Redirect Controller
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Controller/UtilController.php b/module/VuFindConsole/src/VuFindConsole/Controller/UtilController.php
index 80481f67badd2a6ba22b4959de56ac7db1cf949d..956bb1d0c5e487cf1a0cfd25a6e470c93b4a413c 100644
--- a/module/VuFindConsole/src/VuFindConsole/Controller/UtilController.php
+++ b/module/VuFindConsole/src/VuFindConsole/Controller/UtilController.php
@@ -2,7 +2,7 @@
 /**
  * CLI Controller Module
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorTools.php b/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorTools.php
index 8f8f108a2af593a4fdf3c3c837b8c6fb324af25f..9a29caee8f7b616920856557c9b4da967e56a1bf 100644
--- a/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorTools.php
+++ b/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorTools.php
@@ -2,7 +2,7 @@
 /**
  * Generator tools.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorToolsFactory.php b/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorToolsFactory.php
index 428c424c3dc7f8cf3b669d6dc62ad364293cdc3f..27cebaa3fda504aaeb3accb87ddf06cd04c5a8ea 100644
--- a/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorToolsFactory.php
+++ b/module/VuFindConsole/src/VuFindConsole/Generator/GeneratorToolsFactory.php
@@ -2,7 +2,7 @@
 /**
  * Generator tools factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2018.
  *
diff --git a/module/VuFindConsole/src/VuFindConsole/Route/RouteGenerator.php b/module/VuFindConsole/src/VuFindConsole/Route/RouteGenerator.php
index 0ac97026acdc2fcb22ea05c43ca1fb330fd7f48b..60279b85378337af169e431ef50301562b36acae 100644
--- a/module/VuFindConsole/src/VuFindConsole/Route/RouteGenerator.php
+++ b/module/VuFindConsole/src/VuFindConsole/Route/RouteGenerator.php
@@ -2,7 +2,7 @@
 /**
  * Route Generator Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindConsole/tests/unit-tests/src/VuFindTest/Route/RouteGeneratorTest.php b/module/VuFindConsole/tests/unit-tests/src/VuFindTest/Route/RouteGeneratorTest.php
index b429e9a071288790efdc1dffd15efd9c4d9049ec..171e28bb07980df7bdb9f0fa2fe3d62c6b3926c4 100644
--- a/module/VuFindConsole/tests/unit-tests/src/VuFindTest/Route/RouteGeneratorTest.php
+++ b/module/VuFindConsole/tests/unit-tests/src/VuFindTest/Route/RouteGeneratorTest.php
@@ -3,7 +3,7 @@
 /**
  * Route generator tests.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  *
diff --git a/module/VuFindDevTools/Module.php b/module/VuFindDevTools/Module.php
index 550a83861148d5ff80d56513d83011acac8c4f39..f6e0298c06dbf526d8eccf26fde6452874cfe717 100644
--- a/module/VuFindDevTools/Module.php
+++ b/module/VuFindDevTools/Module.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Developer Tools module.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindDevTools/src/VuFindDevTools/Controller/DevtoolsController.php b/module/VuFindDevTools/src/VuFindDevTools/Controller/DevtoolsController.php
index 421eab962d70ae94f2e137819ef8d400e23e333a..204527b24ee67c6f5500597ae0beb5d26fed4182 100644
--- a/module/VuFindDevTools/src/VuFindDevTools/Controller/DevtoolsController.php
+++ b/module/VuFindDevTools/src/VuFindDevTools/Controller/DevtoolsController.php
@@ -2,7 +2,7 @@
 /**
  * Development Tools Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFindDevTools/src/VuFindDevTools/LanguageHelper.php b/module/VuFindDevTools/src/VuFindDevTools/LanguageHelper.php
index a66863015a12b55d351d55c58d0b2e7d1f875012..7f1c0ff333fe0e39f47915c2089de1394c88b44e 100644
--- a/module/VuFindDevTools/src/VuFindDevTools/LanguageHelper.php
+++ b/module/VuFindDevTools/src/VuFindDevTools/LanguageHelper.php
@@ -2,7 +2,7 @@
 /**
  * Language Helper for Development Tools Controller
  *
- * PHP Version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2015.
  *
diff --git a/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/Controller/DevtoolsControllerTest.php b/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/Controller/DevtoolsControllerTest.php
index d81a66ac999205fd0532d20fada0e1185fb6f3e1..9ff1aeb5fcbabf032cf849bcb3c8d7f71a091fa6 100644
--- a/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/Controller/DevtoolsControllerTest.php
+++ b/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/Controller/DevtoolsControllerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for DevTools controller.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/LanguageHelperTest.php b/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/LanguageHelperTest.php
index f0acfed76559bfef41f73223422198792d5605e7..02a09bd4bdc67a7b87b24e9a3a9394ebd05c6507 100644
--- a/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/LanguageHelperTest.php
+++ b/module/VuFindDevTools/tests/unit-tests/src/VuFindTest/LanguageHelperTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for language helper.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFindLocalTemplate/Module.php b/module/VuFindLocalTemplate/Module.php
index f6420dca03c5a7044de0164ef2076609f0901574..b28d9363f32fdf9d079abae759abb05f0c48d7e7 100644
--- a/module/VuFindLocalTemplate/Module.php
+++ b/module/VuFindLocalTemplate/Module.php
@@ -2,7 +2,7 @@
 /**
  * Template for ZF2 module for storing local overrides.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/Module.php b/module/VuFindSearch/Module.php
index 819807ca6e57f01cd4af32c88ce577cc17860757..9810779d622ebebfaaa0ab32a3e673b7f7608058 100644
--- a/module/VuFindSearch/Module.php
+++ b/module/VuFindSearch/Module.php
@@ -3,7 +3,7 @@
 /**
  * ZF2 module definition for the VF2 search service.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
@@ -31,7 +31,7 @@ namespace VuFindSearch;
 /**
  * ZF2 module definition for the VF2 search service.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/AbstractBackend.php b/module/VuFindSearch/src/VuFindSearch/Backend/AbstractBackend.php
index 5e13764b5011e5a8273e29977d872d0e40b2ea22..dff9533c693b39fb267c011a44cc1b6cbd5f5bda 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/AbstractBackend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/AbstractBackend.php
@@ -2,7 +2,7 @@
 /**
  * Abstract backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/AbstractHandlerMap.php b/module/VuFindSearch/src/VuFindSearch/Backend/AbstractHandlerMap.php
index 627b3ec10b6005848c58c5b9dd9a87500cb08a43..47b484b5f561cd8f48f687062dc5467b648113d1 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/AbstractHandlerMap.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/AbstractHandlerMap.php
@@ -3,7 +3,7 @@
 /**
  * Base class for search backend handler maps.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BackendInterface.php b/module/VuFindSearch/src/VuFindSearch/Backend/BackendInterface.php
index 2efe288705125a79ac07147abe705c1f39f673bb..9fbbfd2682e1f0b11d1ffec4a9bbfb26a1dcdfcc 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BackendInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BackendInterface.php
@@ -3,7 +3,7 @@
 /**
  * Search backend interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Backend.php
index f8faf2c66a2073b59bc6d1571de40460025130b3..dec4a9b1e9ec16c81bc0ce51462c13f0e583fe44 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Backend.php
@@ -2,7 +2,7 @@
 /**
  * BrowZine backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Connector.php
index 42458dc31c2db334a4141b4e93d0bcfbd5007c3d..3a76f84b107d6135b307f7e8f0ba08daae9fda2f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Connector.php
@@ -3,7 +3,7 @@
 /**
  * BrowZine connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/QueryBuilder.php
index 459244427f677bf9d4c8e167c08bf2eec60ee14e..f96174ebbf69968e88b2631982d7d01fbe4b870f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * BrowZine QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollection.php
index 89c92307210aa62160acbe06f2d24dbea6ab990d..533b90b89d6106825104b9ebcbcd8f33ff4ab59d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * BrowZine record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollectionFactory.php
index c1cc1c408ab6fb7a4b2f7460e30c908181b574fd..d9a55f933b4f3dbb28d2618ffdef1f92fbdc86ee 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/BrowZine/Response/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php
index e82edca5a24b60021674ece3613ed699cb769d70..8ebba088cbcdca903c21937235874997200ba2b5 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php
@@ -2,7 +2,7 @@
 /**
  * EDS API Backend
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Base.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Base.php
index 4a181c2462faabb1bba134bd487b82dcbd173958..60f23797f8d3c77dda0a0da63abb2708e39fa499 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Base.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Base.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO Search API abstract base class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Exception.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Exception.php
index 8e10623e766e6bd080877f74c029b5e214a3ebf7..b0360c40f0055c1b5066fb05e1bd99be7b170e12 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Exception.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Exception.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO EdsApi Exception class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/QueryBuilder.php
index cc07373a50a2248ad4dc8182752b861150c7144a..7c5e702ab5dfaccc98038e9c0a09cc58b895a98f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * EDS API Querybuilder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollection.php
index 138e2a1d621e6ad34298ef921831f11116c450b4..1bcf50be8b406d73a6ec6ce76500b842bff9a6e1 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * EDS API record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollectionFactory.php
index b14b5b6e20d587df773b62302cee7d677949cc73..17ecf8d0992165b1d15c2d44f661bb081dd9e106 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Response/RecordCollectionFactory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/SearchRequestModel.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/SearchRequestModel.php
index 196ca7e1695e6b5d5f4b7c50dea2ddc6caba655a..bc69974b1f702cb21bd637c598c0e6ebf47b3e6b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/SearchRequestModel.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/SearchRequestModel.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO EDS API Search Model
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Serials Solutions 2011.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Zend2.php b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Zend2.php
index 2bd07ca13e681fd7220b218d932b7590a3c696cb..9e6e9d087f4612a2a34c7bbd5237737841618378 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Zend2.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Zend2.php
@@ -2,7 +2,7 @@
 /**
  * EBSCO EDS API Zend2 Framework implementation
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) EBSCO Industries 2013
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Backend.php
index b32462b688e203b5c7addbed30c6ecf547b08d8c..341d74e183a453bec19068f2eb0416ea583f95f4 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Backend.php
@@ -3,7 +3,7 @@
 /**
  * EIT backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Julia Bauder 2013.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Connector.php
index f3971fffb74f7ecc36413ab7bffd4a903dfe2076..e3c2782d727e3dba6c7ba0852b01c9632d8a6e0e 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Connector.php
@@ -3,7 +3,7 @@
 /**
  * Central class for connecting to EIT resources used by VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Julia Bauder 2013.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/QueryBuilder.php
index 66e18c694407af160a6869f3a3b4ac78196f7c47..5d50d637661662a9e9e53363ad5b0715d3a7c32b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/QueryBuilder.php
@@ -2,7 +2,7 @@
 /**
  * EIT QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollection.php
index 5acbbc0b8c6776d61960df801e32c8c7be96b35d..817462b11894f23efce8a5a9add7df0a8f8ef8d6 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * EIT record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollectionFactory.php
index 1eb4a52178af896ca18a699b6266249928b7e9bb..9c237a60adb076b7c418bc7d2266b66e03a2d535 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/EIT/Response/XML/RecordCollectionFactory.php
@@ -2,7 +2,7 @@
 /**
  * Simple XML-based factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/BackendException.php b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/BackendException.php
index b4cc48f9c845eb55c1ecadaae40dd85bced61ca0..32cdb3173c0c1d0317135ca240513a992f49daf7 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/BackendException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/BackendException.php
@@ -3,7 +3,7 @@
 /**
  * BackendException.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/HttpErrorException.php b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/HttpErrorException.php
index 46acf3f43e0eca1e49882691a3e37b55184c78f2..22fbd2efd596eec44e2338261f801c86313adf47 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/HttpErrorException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/HttpErrorException.php
@@ -3,7 +3,7 @@
 /**
  * HTTP error exception.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RemoteErrorException.php b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RemoteErrorException.php
index 4d3f0c60a40b04e224b6f7396de8eacd66b15ec1..8c20712c3b39da713cee71dc3909f3efb4028763 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RemoteErrorException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RemoteErrorException.php
@@ -3,7 +3,7 @@
 /**
  * RemoteErrorException.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RequestErrorException.php b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RequestErrorException.php
index e9aae62f7dfec1facfd98ef0853201305f05d56c..d26495d9757960ee2578e79d7adbfd36c6b98d48 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RequestErrorException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Exception/RequestErrorException.php
@@ -3,7 +3,7 @@
 /**
  * RequestErrorException.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Backend.php
index e11bb3128ce89314d0d88564719123ff418b51ee..55bced2e1377bbcfd4710f87761630a2f552bbac 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Backend.php
@@ -3,7 +3,7 @@
 /**
  * LibGuides backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Connector.php
index cd11ebfaa3c413b5014faa6afa95b8ab8703abac..6dd9f6e3a9b95427ab754669abedf847d4fa730c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Connector.php
@@ -3,7 +3,7 @@
 /**
  * LibGuides connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/QueryBuilder.php
index 1867badfb132a137e67b5a800c64beab5a63bdc0..ec7d77314e9451a464d259bee8ecc4472048578f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * LibGuides QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollection.php
index 45fe90e83539e4a91245853ca8cdd4fb59882156..247c6c045166a2641d91de18d4e35bbb76274db8 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * LibGuides record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollectionFactory.php
index e29de1e72aff9da9773b8014170648233975e17a..ede139d3023dd96bdb063e9c21bbbd768c82cbf5 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/LibGuides/Response/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Backend.php
index b55c61e07a2bb7081042de4029cefbac2d77fed3..61f782743cad0f2a98f42c8e5773c956c4a2782c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Backend.php
@@ -2,7 +2,7 @@
 /**
  * Pazpar2 backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Connector.php
index 6e94e6923c04000c0da5e2a45dc90d4012528385..62b702c49e42a8146204f054479d578d43b29bab 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Connector.php
@@ -2,7 +2,7 @@
 /**
  * Central class for connecting to Pazpar2 resources used by VuFind.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2011.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/QueryBuilder.php
index 5b89af2f46601769106516c81ccac8cb71b6290e..3b826916bdfe1def8c28f6d736a873f872b7aa75 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * Pazpar2 QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/Record.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/Record.php
index 3d09561e1d001cef23f493d2be1241a30a73cdc2..ce7203784e151c61c42e9079a4f601acacd68229 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/Record.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/Record.php
@@ -3,7 +3,7 @@
 /**
  * Simple Pazpar2 record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollection.php
index e507cf82221142b20ba36d1dbabff9ec9229d97e..cd1bf53106d5ffa8829a44d4eb08f6a9dc82e29d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * Pazpar2 record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollectionFactory.php
index e153b60b203d060531a73e1259986503e023472e..c8acc2dac29c2ceef86315815042106bd4e4651e 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Pazpar2/Response/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Backend.php
index 193faa51eddcd35b936e02f18f54d8eac85f7bd3..6ce7e1baffc9487629b768234c174d18e880b596 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Backend.php
@@ -3,7 +3,7 @@
 /**
  * Primo backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Connector.php
index 076df60f0b9a39b0f48b17a693876084bff00bdb..56d22647e0c0c7639610e84faf834f4cd3758d7d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Connector.php
@@ -3,7 +3,7 @@
 /**
  * Primo Central connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/QueryBuilder.php
index 824be57da22f8ffdcac1e070e2b5a3ba9bb20098..bdb78b3d9dace0e53ee4afce9f6e4f52d6109e39 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * Primo Central QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollection.php
index 0ecb31a9e8398bb0d3b9270977a150952ac39364..7fa90f450c40bd37c59624b0502e9b383f6e1a1b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * Primo Central record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollectionFactory.php
index 618efecb4ab5a7e30be1b0a1d228fc41c906cbf8..210ca51b7b82e2b5f2b2cd3793d81a9b6bacb8d1 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/SRU/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/SRU/Connector.php
index a151125fbb67a06c853fb53090b13f9576293945..272cf6d92daf18e93da0ac0c2783fb5875730534 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/SRU/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/SRU/Connector.php
@@ -2,7 +2,7 @@
 /**
  * SRU Search Interface
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Andrew Nagy 2008.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
index bf6fb679869fc2ac9b10d32bc18084f394938a7a..1c7414c5f2e8cd6d703ee005fb4b0564081cfc3f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Backend.php
@@ -2,7 +2,7 @@
 /**
  * SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
index fba57d78cc0cafb19d0e9d2d77d9ec79a24fec1b..c203169bfc1efc73c0e8ccbba4e3ac50cef972ae 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php
@@ -3,7 +3,7 @@
 /**
  * SOLR connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/AbstractDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/AbstractDocument.php
index 6c42383ca7fcca16d6195ecc161f1dcd8d284990..28ee02fcdef23b6a1c5999eb47e7de17c9c07888 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/AbstractDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/AbstractDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR delete document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/CommitDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/CommitDocument.php
index dd024be40a27bdfa9857018163412124f5738947..1ade7508787e410a56d812e648f06926fab4cee9 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/CommitDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/CommitDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR commit document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/DeleteDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/DeleteDocument.php
index 2eb386ae439eda19cb68f70923d858691ebaeeaa..2ae3e5d30b9e0b8d631965c59e0bd9e2feb88143 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/DeleteDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/DeleteDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR delete document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/OptimizeDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/OptimizeDocument.php
index cc5823077a6259643db55cb1aefa539d2641ac24..89d02668b8ec04d9f2ee83c7b747b376679ea5b7 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/OptimizeDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/OptimizeDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR optimize document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/RawXMLDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/RawXMLDocument.php
index 5e05267d5a0cce92ab0fbe13356049c601403a75..738994cd7de816498074346d9d1d8d3fc8e1964f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/RawXMLDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/RawXMLDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR "raw XML" document class for manual overrides.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/UpdateDocument.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/UpdateDocument.php
index 063e338c81b16969093918c3daf8ceda062f438f..7bd500fbb55de6106d5e4828d5860b18576b993d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/UpdateDocument.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Document/UpdateDocument.php
@@ -3,7 +3,7 @@
 /**
  * SOLR update document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/HandlerMap.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/HandlerMap.php
index 474b541da1450c705adbc60ffd937ba64a2dd039..71c554216ce47960c6a49528da3d15c52e7fe3ae 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/HandlerMap.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/HandlerMap.php
@@ -3,7 +3,7 @@
 /**
  * SOLR backend handler map.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/LuceneSyntaxHelper.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/LuceneSyntaxHelper.php
index fc332536fd1112660dc0d151cb9d4900b4737c27..b69955e4304b12692279721fe16974655f2fa99e 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/LuceneSyntaxHelper.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/LuceneSyntaxHelper.php
@@ -3,7 +3,7 @@
 /**
  * Lucene query syntax helper class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilder.php
index ac8c2f41ea3108256cc53d456b74fbf2a75d8cbe..de532a8e8899be807f7d414b4ededfa7e11c4134 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * SOLR QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilderInterface.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilderInterface.php
index 58b6f9df40f978857d56410ebdc409444e4b57e8..e34db5487b3ed44c55c17a1054d5f216628df40f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilderInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/QueryBuilderInterface.php
@@ -3,7 +3,7 @@
 /**
  * SOLR QueryBuilder interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecord.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecord.php
index 3b3fe2eaa0db8b22488998c16c49a479f04bfd9b..28351487aa4a55fdc927eab136ec0d1b6bc171d5 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecord.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecord.php
@@ -3,7 +3,7 @@
 /**
  * SOLR serializable record definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecordInterface.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecordInterface.php
index bc2255688726d7fc9b9297bcd6d280f6805fff31..8ec39b82aac60611b758edb8ea36fd41dceb547c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecordInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Record/SerializableRecordInterface.php
@@ -3,7 +3,7 @@
 /**
  * SOLR serializable record interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Facets.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Facets.php
index f5f39b7ca4873bc764d0ae4ad7ae0a31a479cc62..b21281fd93db55473241bdac6cd7077fcee0e3fe 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Facets.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Facets.php
@@ -3,7 +3,7 @@
 /**
  * SOLR facet information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/NamedList.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/NamedList.php
index c0b2b7c6dafd6a5b99632432b85abe6a3744822d..5dd1f48718b2739351e4d28e3546ad429ae3cb4b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/NamedList.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/NamedList.php
@@ -3,7 +3,7 @@
 /**
  * SOLR NamedList with parameter json.nl=arrarr.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Record.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Record.php
index 2370f011961ba7084e776010ce1a9583ed32422f..c7031a42fbbbb742c83170f33732b54ce704e70b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Record.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Record.php
@@ -3,7 +3,7 @@
 /**
  * Simple, schema-less SOLR record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollection.php
index e96152f22a9c343881515a7d7e893a31249a3237..bebfe7a7baccc5c1c5579f07cc00b663a0639d2f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * Simple JSON-based record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollectionFactory.php
index 6492a756af3aa43f0e3d8bbc45d07e1f9129d250..6ffd4eff6c4cf0642d7be5bd6febdf5757871927 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple JSON-based factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Spellcheck.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Spellcheck.php
index 5142026b9e0b6f3a47cdec256c8c47733c2dd1f6..12d1a70b4495f95f8b1bc5e3de78e5c91a59bbe1 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Spellcheck.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Spellcheck.php
@@ -3,7 +3,7 @@
 /**
  * SOLR spellcheck information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Terms.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Terms.php
index e9a640ad3d3932547f66806304501ec7c2e7ecd1..340d285be9365e0f4f1c16d20a98b592a20459d4 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Terms.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/Response/Json/Terms.php
@@ -3,7 +3,7 @@
 /**
  * SOLR Terms component.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SearchHandler.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SearchHandler.php
index 5cbfbe54da1eabfbc33ab5f90fed64a427533f2e..0083c7573d6315365af84c4176a4b62b209e7a83 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SearchHandler.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SearchHandler.php
@@ -3,7 +3,7 @@
 /**
  * VuFind SearchHandler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilder.php
index b9a47fcd2257f76efd22f7b9a04f43aab7a2b800..8392d581028ed35d7618e450738e176442754704 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilder.php
@@ -3,7 +3,7 @@
 /**
  * SOLR SimilarBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilderInterface.php b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilderInterface.php
index 1397e45cd96b70f7146ddf40604cd43acc555d85..0c0099c3b8cbf28751c10fdc6974340058e41803 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilderInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Solr/SimilarBuilderInterface.php
@@ -3,7 +3,7 @@
 /**
  * SOLR SimilarBuilder interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
index 3e01b4768b0248c6157e70cb65af5d8f33ef609e..c7bba41d6965894994c9c8e002dbb39524292930 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Backend.php
@@ -3,7 +3,7 @@
 /**
  * Summon backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/QueryBuilder.php
index d4b2aa42d5494fd649ac63cddc09161aa2dd16f2..f78bb8dfcef975e0e5d2addb240e4f5a745c0d88 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * Summon QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollection.php
index 261262cacfc89a8960b7549762c5104638f959ae..65d0598260f7d45cf136e9bdbeddb6f255ce6c3d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * WorldCat record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollectionFactory.php
index 39eba5ddc84b8c55f787a4889f10a360e79d0a7c..fbfb17f124b3ac8d33be1d525b2973027ae6dadc 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/Summon/Response/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Backend.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Backend.php
index cc33a1fc2f72c2b99551ea1e5967ecd115023fbd..71984d09ad6ede4fc6f4ebf568e964010b5fe078 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Backend.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Backend.php
@@ -3,7 +3,7 @@
 /**
  * WorldCat backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Connector.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Connector.php
index ed2b270813aaa457de2b2ce0b5f3f6766ff9a924..6b08713fcd3b74f3830b4d7e0d95183dbe690bbf 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Connector.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Connector.php
@@ -2,7 +2,7 @@
 /**
  * Class for accessing OCLC WorldCat search API
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Andrew Nagy 2008.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/QueryBuilder.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/QueryBuilder.php
index 1117b3ecbebd2d6a7d859cc907deddcc633e0527..11f7a591f82f72177ff237d01d19536dce08d89c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/QueryBuilder.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/QueryBuilder.php
@@ -3,7 +3,7 @@
 /**
  * WorldCat QueryBuilder.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/Record.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/Record.php
index d4003ef8baa72aeeb6dd6771470d55939e91c0f9..af01cf87cf42536f87148ea3fbcffaa8fd2bf856 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/Record.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/Record.php
@@ -3,7 +3,7 @@
 /**
  * Simple WorldCat record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollection.php
index 7b9f0e6139dfd412509724325dcf7d15f60f617e..047a5b0c42d7dd425fe4fa928f3f9892f03cc883 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * WorldCat record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollectionFactory.php b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollectionFactory.php
index 11cec48840d024f1cfbfe7ee9d24b69ab96540bf..38a35c4f428f5bd9f72c9f59b21875f07a7d814e 100644
--- a/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollectionFactory.php
+++ b/module/VuFindSearch/src/VuFindSearch/Backend/WorldCat/Response/XML/RecordCollectionFactory.php
@@ -3,7 +3,7 @@
 /**
  * Simple XML-based factory for record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Exception/ExceptionInterface.php b/module/VuFindSearch/src/VuFindSearch/Exception/ExceptionInterface.php
index 14701b521db538585073001801f8c3b5c6192874..dac6bd8498e0631917fc79661c369ecf48be842c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Exception/ExceptionInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Exception/ExceptionInterface.php
@@ -3,7 +3,7 @@
 /**
  * Marker interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Exception/InvalidArgumentException.php b/module/VuFindSearch/src/VuFindSearch/Exception/InvalidArgumentException.php
index 374a3ce91bc68f3a4df7ed99bfa26ad3aa5c9576..cab86c7b6161dc724fa8bbad0d92cf3ad3dd1a3a 100644
--- a/module/VuFindSearch/src/VuFindSearch/Exception/InvalidArgumentException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Exception/InvalidArgumentException.php
@@ -3,7 +3,7 @@
 /**
  * Invalid argument exception.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Exception/RuntimeException.php b/module/VuFindSearch/src/VuFindSearch/Exception/RuntimeException.php
index a6f86dc11f0b3e55006843e4be7480bca1837b15..b0923144e7224ab4e9d2b8696ba302d542c46b0f 100644
--- a/module/VuFindSearch/src/VuFindSearch/Exception/RuntimeException.php
+++ b/module/VuFindSearch/src/VuFindSearch/Exception/RuntimeException.php
@@ -3,7 +3,7 @@
 /**
  * Generic RuntimeException.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Feature/RandomInterface.php b/module/VuFindSearch/src/VuFindSearch/Feature/RandomInterface.php
index c8cb9723dd0762ba085680c8734050c7a615c411..22515463bfdce6fb95f0d63996501964e614eb25 100644
--- a/module/VuFindSearch/src/VuFindSearch/Feature/RandomInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Feature/RandomInterface.php
@@ -3,7 +3,7 @@
 /**
  * Random record retrieval feature interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Feature/RetrieveBatchInterface.php b/module/VuFindSearch/src/VuFindSearch/Feature/RetrieveBatchInterface.php
index 240bf8f936b690a6bd98d3092f2a2ee717832d4d..e6ddc9f9cc6092bc33f6e969554b24eb98305a6d 100644
--- a/module/VuFindSearch/src/VuFindSearch/Feature/RetrieveBatchInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Feature/RetrieveBatchInterface.php
@@ -3,7 +3,7 @@
 /**
  * Optional backend feature: retrieve batch of records.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
index 2a2d29a28ba7c8744d7bcfb854da7979d4d19897..f4c316e3d449fd4f1845555133c81dd7841bc521 100644
--- a/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
@@ -3,7 +3,7 @@
 /**
  * MLT feature interface definition.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/ParamBag.php b/module/VuFindSearch/src/VuFindSearch/ParamBag.php
index 51095778e8a919a10d8159cba7a6e4fa33285ec8..8aed52dcda71d7cc47e101d1b2e7202b6277751f 100644
--- a/module/VuFindSearch/src/VuFindSearch/ParamBag.php
+++ b/module/VuFindSearch/src/VuFindSearch/ParamBag.php
@@ -3,7 +3,7 @@
 /**
  * Parameter bag.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Query/AbstractQuery.php b/module/VuFindSearch/src/VuFindSearch/Query/AbstractQuery.php
index 62e8f73f2e0548a341572de0eaa53f17caa7bf35..86155e9606b31bac6d795a1ddec0c72aaba50759 100644
--- a/module/VuFindSearch/src/VuFindSearch/Query/AbstractQuery.php
+++ b/module/VuFindSearch/src/VuFindSearch/Query/AbstractQuery.php
@@ -3,7 +3,7 @@
 /**
  * Abstract base class of user query components.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Query/Query.php b/module/VuFindSearch/src/VuFindSearch/Query/Query.php
index 6c92e181d813cde6aa5d58aacbf1e370de9f1904..2e3d3731461945ec08cc730c89230ca643ac5551 100644
--- a/module/VuFindSearch/src/VuFindSearch/Query/Query.php
+++ b/module/VuFindSearch/src/VuFindSearch/Query/Query.php
@@ -3,7 +3,7 @@
 /**
  * A single/simple query.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Query/QueryGroup.php b/module/VuFindSearch/src/VuFindSearch/Query/QueryGroup.php
index b3ffc251269d1b4bf46076680f13589a893f1545..3a03e2af1c8c5da1170eaada30679cadd980cbe9 100644
--- a/module/VuFindSearch/src/VuFindSearch/Query/QueryGroup.php
+++ b/module/VuFindSearch/src/VuFindSearch/Query/QueryGroup.php
@@ -3,7 +3,7 @@
 /**
  * A group of single/simples queries, joined by boolean operator.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Query/QueryInterface.php b/module/VuFindSearch/src/VuFindSearch/Query/QueryInterface.php
index c9b48abe601b2a2fa8f8b16a44a2b80675ee1bc3..f2458f7bc651636c51ebcd9c7c1e33bce0a8dd44 100644
--- a/module/VuFindSearch/src/VuFindSearch/Query/QueryInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Query/QueryInterface.php
@@ -3,7 +3,7 @@
 /**
  * Common methods that must be shared by all query objects.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Response/AbstractRecordCollection.php b/module/VuFindSearch/src/VuFindSearch/Response/AbstractRecordCollection.php
index 528ac37542c08b78a9ceb4dd4ab6583775d217de..b8c48657f1b614be3ca5ca8ee703f6f57a699c5b 100644
--- a/module/VuFindSearch/src/VuFindSearch/Response/AbstractRecordCollection.php
+++ b/module/VuFindSearch/src/VuFindSearch/Response/AbstractRecordCollection.php
@@ -3,7 +3,7 @@
 /**
  * Abstract record collection (implements some shared low-level functionality).
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionFactoryInterface.php b/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionFactoryInterface.php
index d6d46e250ff8d13410d93f445db14f5b24afc7e8..72ed1fda31cb920badb335b84b1c3ac367994ab5 100644
--- a/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionFactoryInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionFactoryInterface.php
@@ -2,7 +2,7 @@
 /**
  * Search backend record collection factory interface.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionInterface.php b/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionInterface.php
index d11078114a681bf6319baace547e4e7fbf79604f..df0bd063b1a60abdfc81d9fb7ea1749b6a204fe7 100644
--- a/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Response/RecordCollectionInterface.php
@@ -3,7 +3,7 @@
 /**
  * Search backend search response interface file.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Response/RecordInterface.php b/module/VuFindSearch/src/VuFindSearch/Response/RecordInterface.php
index 0a36c9ab12af0770fcb091cb6514136a92712f2d..50c12c4a81e6fab1e4a0089b51397a814ee6617c 100644
--- a/module/VuFindSearch/src/VuFindSearch/Response/RecordInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Response/RecordInterface.php
@@ -3,7 +3,7 @@
 /**
  * Record interface file.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/src/VuFindSearch/Service.php b/module/VuFindSearch/src/VuFindSearch/Service.php
index 2dc7c5088e25d8aa33b7bf585dc1cb06535ca555..3e8a79269b653f4b0d9da875de68937f6a6105ec 100644
--- a/module/VuFindSearch/src/VuFindSearch/Service.php
+++ b/module/VuFindSearch/src/VuFindSearch/Service.php
@@ -3,7 +3,7 @@
 /**
  * Search service.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/AbstractHandlerMapTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/AbstractHandlerMapTest.php
index 45144da36fb2fb18fba1bfa634312dada4c4880d..20faa251abb148bd51487a55c0ec7c711985e836 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/AbstractHandlerMapTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/AbstractHandlerMapTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for handler map base class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/BackendTest.php
index aab776ca6ef9cdc792c6949054563acd92a23f18..3101bdbc0a840dbcc96701e4a9aac2c960df2e96 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for BrowZine backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/QueryBuilderTest.php
index 1179ee762d0af3330209998dc0d121e7458b2835..571b7ee3e478336d7d9cd0be85416d83c931a0f2 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for BrowZine query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionFactoryTest.php
index 769ee9a2490c09a206cbffc2097191d314db3672..ecf47f4bd2f13a7c79f0bb881eee755d7be643f6 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for BrowZine record collection factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionTest.php
index 479ff5a6203267ef65635545ff7f66521d9aa448..98e6cc4f62061ea5ff42058acb606b1cc050f420 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/BrowZine/Response/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for BrowZine record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/BackendTest.php
index c81f0b96848a127e85379cc9bffa210a22aebfc8..2985275d6ae439abebd60b943ab681ca759e006e 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EDS backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/QueryBuilderTest.php
index 750d7eee511c0a410c45354c8344c975067ca876..cb9377b26143a2a3b6fe379f217603547441ef92 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EDS query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionFactoryTest.php
index 64811e0ec3d539d2918cb02be56e6f4518a5fbce..979587af30676e1d5b6174f268958f2ffd377caa 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EDS record collection factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionTest.php
index 7dfa0c2e0eb6d35b3589f05b840f14b931bb59b4..84c9b64fccdcc1f9d5e91274ddc50a4560f83430 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EDS/Response/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EDS record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/BackendTest.php
index cc3002773cbe1fde6b648032e6ce3c264aa8c109..58781cf8de6f49e5400e2be1baee234877d27db2 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EIT backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/QueryBuilderTest.php
index 804df5df184dff35e84c84ddfdf2491226740a77..9ef3d5ac234ad0e4f8ad11ca92aac538bbf7ebca 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EIT query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionFactoryTest.php
index 25e4beb264f70e609865710f01df84b75520cb40..bca3ea77c1e3a1fdbb2892f8f31e78018e618ce0 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EIT record collection factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionTest.php
index e25c97590ef860205a4f80645eaf20919029e0aa..c07c4f21235d40658672f6f8b75394c6e7196c4a 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/EIT/Response/XML/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for EIT record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/BackendTest.php
index bb570c5836e7f31c0ffb95e03934cfa9a1a812be..eba17deea2c77c4a7d955eb4c7a0630c2515b028 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for LibGuides backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/QueryBuilderTest.php
index fa36620db6b7132debdf3294aec576dfc42b37ec..e1ec7c1c2c21b76201805b9a63b84f86a1f0416f 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for LibGuides query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionFactoryTest.php
index 0b70fd602f46b834ac9107842e2b16364dc90be8..45ded837971b6b242176674adccb1a6cb3f69793 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for LibGuides record collection factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionTest.php
index 27b4a90b5b952066dda928d46d89787d21a9d36e..1efe7770c5f07c408529a4ef6569e0bcb4f17427 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/LibGuides/Response/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for LibGuides record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Pazpar2/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Pazpar2/BackendTest.php
index 4991d215022215f4855f1310768083dd5f0737de..493e22d6e1afb0ff10843d4d18918fc23098c7b7 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Pazpar2/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Pazpar2/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Pazpar2 backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/BackendTest.php
index 1df254227b95c21935b9ebfe058e645ee88f1297..1b585f160f4ef0e0f75a927e9879c769a5e5c5e5 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/ConnectorTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/ConnectorTest.php
index b9b5c4005721ce8c09f5adc5021ae88e80da4fea..01af661861a7416a86074ac570ffcfb083391b0f 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/ConnectorTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/ConnectorTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/QueryBuilderTest.php
index dd8c0b9329f0b794ad2681d6e75173e702e93843..3fa3f4ee044b2c70bf63caa7a2c74202bb5ccbcc 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionFactoryTest.php
index fb960233bb8ac9887039fbcec67e7699dd38d775..3c7443ae189cf931bec39975fc3fe88756c093a2 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo record collection factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionTest.php
index d7dd7a6c0d13d9e2ccc1b130f7c1c560a701a5c5..a52ac2c5edd380a3f18bb7665506efa8f8e3db97 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Primo record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/BackendTest.php
index 65fad8eceac36ca1faab8c55d6985d877aa1bc74..4f08bd25501ac3aaed7ff0684ef98007b1c60dea 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/ConnectorTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/ConnectorTest.php
index 4d5521f608177cbec622e75fae46d0f893b34468..c62ba7436c40fc0c79058f5eec633a17f7589ce3 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/ConnectorTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/ConnectorTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/CommitDocumentTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/CommitDocumentTest.php
index a65bde3370ed1cdc9332fc7427ca5753ab49cfb8..aae50bb645cb490353f5b2f19e64db0ff99e1ab0 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/CommitDocumentTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/CommitDocumentTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR commit document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/DeleteDocumentTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/DeleteDocumentTest.php
index f51d88874b9a2a30b50879b3c8d18367a045ee7b..51a4b9784c75c799d47d068db5fcd7269acac2b5 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/DeleteDocumentTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/DeleteDocumentTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR delete document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/OptimizeDocumentTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/OptimizeDocumentTest.php
index 901f86116fe3a1891b7c9c006ec0b7be1ad06b5d..48e39020fa8f9e3f649395451f36386b3470fd11 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/OptimizeDocumentTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/OptimizeDocumentTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR optimize document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/RawXMLDocumentTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/RawXMLDocumentTest.php
index bee636607c65c295776f4aff94aac3e2f5f7166c..c434909a8e1f9a9379d8ec8c52def8adf1b2b3e8 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/RawXMLDocumentTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/RawXMLDocumentTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR raw XML document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/UpdateDocumentTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/UpdateDocumentTest.php
index 51aee6ea3d9d9f2c456bbdc508436b12be4f5a88..4652296a5a019914cf9db051ae8425d481a75d21 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/UpdateDocumentTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Document/UpdateDocumentTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR update document class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/HandlerMapTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/HandlerMapTest.php
index 78e46d85f95366d95ee2544f9682962f868f3976..d57e9e5ba01847b154c175219a6dd0d7661a5553 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/HandlerMapTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/HandlerMapTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR HandlerMap.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/LuceneSyntaxHelperTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/LuceneSyntaxHelperTest.php
index 4e70f5286483788c433268788a8d4341128707f9..2880025416c5f89e6e64ce3b904855894b0dc0af 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/LuceneSyntaxHelperTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/LuceneSyntaxHelperTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Lucene syntax helper
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/QueryBuilderTest.php
index dc1a4ef7a2da48e3b72328b33da882c494d73592..3c7285b2ce1d1691518476ec5613953139d14dc8 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Record/SerializableRecordTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Record/SerializableRecordTest.php
index 9e4182644cad25513b9c16bf304689a249cc398d..b58b252950ac25412c9fb7f1d929ed04a766920c 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Record/SerializableRecordTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Record/SerializableRecordTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR serializable record.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/FacetsTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/FacetsTest.php
index ff81684b5d17990d31827ee5fb991fb5b0407355..a6aca9c108d028d8ef8c469aaf6cb802d68a1db7 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/FacetsTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/FacetsTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for facet information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/NamedListTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/NamedListTest.php
index a9b8b45e1644d5796537cd8ab4de92ad95bd45db..698b362d45a1a08cb6fca97ca3edd7c4759631b0 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/NamedListTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/NamedListTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR NamedList.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionFactoryTest.php
index 35e2ce78cb6fa3aa7a1cbec827a8cb363295d906..87a84a7a8b68a84b07c99ae65649241e8cc292db 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for simple JSON-based record collection factory.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionTest.php
index e80e87b465d1e6be7be2c69314ea407d60c6fccc..5bc0eeacd0299a3690ae1e519bd08fac4008e7f2 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for simple JSON-based record collection.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/SpellcheckTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/SpellcheckTest.php
index 8b686821956be11bc5100a5aea250f30b29a9a2f..ffc63f597bcfdffbec237cea4b81edab6a6142a1 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/SpellcheckTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/SpellcheckTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for spellcheck information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/TermsTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/TermsTest.php
index 67337bad595cbf5d5a89c68d6798294dc5502029..ae2a6afa52d454e47b2ffab94ad35c44e27f2f32 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/TermsTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/Response/Json/TermsTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for terms information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SearchHandlerTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SearchHandlerTest.php
index 35673e47049b649f401e08f8a73ba91cbd9f26d0..206ffc7e6cc41c948be5e987f49eed97d842e76f 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SearchHandlerTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SearchHandlerTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR search handler.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SimilarBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SimilarBuilderTest.php
index 1f07a0694f5b97986c8ce9ea065af23f29de5237..6d1c6b32f90355a2f7f058e2176c8cbf62b8af75 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SimilarBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Solr/SimilarBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for SOLR similar records query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  * Copyright (C) The National Library of Finland 2016.
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/BackendTest.php
index 36ca9453cdf04186373e1cf1917a21d997995064..d1d25f0135fec6bab3911c7ab18d07d9e32878c3 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Summon Backend class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/QueryBuilderTest.php
index f043532db45884be2edc6fcb36901b60013ab50a..189960ab2a7f3cbd7b083c0e5a209221a8ba1436 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Summon query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionFactoryTest.php
index 81df45e314172544ce0c6e28371ba79804515301..6c151d2398086d11cb75bfe4a01467436b2d67f9 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Summon record collection factory
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionTest.php
index 0129d0b6d4978a7ac1385c0aa89e341d65a29617..bd4e740b1fd2d7e2baa37b10b9109740e11aaa8d 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Summon/Response/RecordCollectionTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Summon record collection
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/BackendTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/BackendTest.php
index a0758a64cea06f6e7d91582d9a081025b0345267..305ec9ba18cebca2dc762433af00d5cbf38533a0 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/BackendTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/BackendTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for WorldCat backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/ConnectorTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/ConnectorTest.php
index ee5e37c1e0f34f158ad04d42f84d8e75160d4c29..276c42c256d7932c339d90396c7eb31c930ba677 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/ConnectorTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/ConnectorTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for WorldCat connector.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/QueryBuilderTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/QueryBuilderTest.php
index 5594c148bea9ca5544350710bcc532ffe3a9972b..2358ed3e0b57602bcb8ae7f12b0ce75445cfa3a2 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/QueryBuilderTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/QueryBuilderTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for WorldCat query builder
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/Response/XML/RecordCollectionFactoryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/Response/XML/RecordCollectionFactoryTest.php
index e6b5de01bb93d38efeba51e44e61195bf126d08f..e17574701328461c17392ae1a29a5f1a8ead7b7d 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/Response/XML/RecordCollectionFactoryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/WorldCat/Response/XML/RecordCollectionFactoryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for WorldCat backend.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/ParamBagTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/ParamBagTest.php
index 680da6435cf867b11e0e841bf9a19ba09510cb03..b621763f89150a86a3b98d8a3f0a4910a0b00772 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/ParamBagTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/ParamBagTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for ParamBag.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryGroupTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryGroupTest.php
index c6600bfe08186ced0d803b2c4043e0a477d090d8..93062e6b4ee2411001e265182d8ec0ce84846e90 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryGroupTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryGroupTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for QueryGroup class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryTest.php
index 8c2daf4082da191540f42360de362f6b9bb51101..2d8400af355dac0dba9b70ff7248c9a0ed2f5880 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/Query/QueryTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for Query class.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/SearchServiceTest.php b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/SearchServiceTest.php
index dd4a9c5236c8f826f73bfb91fccb0a2c602572b5..283e3de01ae858fcaf118ec8f5687b7f80a1f525 100644
--- a/module/VuFindSearch/tests/unit-tests/src/VuFindTest/SearchServiceTest.php
+++ b/module/VuFindSearch/tests/unit-tests/src/VuFindTest/SearchServiceTest.php
@@ -3,7 +3,7 @@
 /**
  * Unit tests for search service.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/Module.php b/module/VuFindTheme/Module.php
index b31ea7a9d447eeee191b81c554a8d991013e9f6c..d353e85c645ef0f98225616f4140a6d69789a5f6 100644
--- a/module/VuFindTheme/Module.php
+++ b/module/VuFindTheme/Module.php
@@ -2,7 +2,7 @@
 /**
  * ZF2 module definition for the VuFind theme system.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2013.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/AbstractThemeUtility.php b/module/VuFindTheme/src/VuFindTheme/AbstractThemeUtility.php
index e22d5e41ac1766869b0b57a48f03d7b0756bb72c..7a505b7393df88c00522b840037970605b3c09a6 100644
--- a/module/VuFindTheme/src/VuFindTheme/AbstractThemeUtility.php
+++ b/module/VuFindTheme/src/VuFindTheme/AbstractThemeUtility.php
@@ -2,7 +2,7 @@
 /**
  * Abstract base class to hold shared logic for theme utilities.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/Initializer.php b/module/VuFindTheme/src/VuFindTheme/Initializer.php
index 6ab4d9ad6a4b3ad9e99e38b2de0bce93c1e0f04b..bef5f0852f96dc817b40d54b8f6be5a8c0b4adff 100644
--- a/module/VuFindTheme/src/VuFindTheme/Initializer.php
+++ b/module/VuFindTheme/src/VuFindTheme/Initializer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Theme Initializer
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/InjectTemplateListener.php b/module/VuFindTheme/src/VuFindTheme/InjectTemplateListener.php
index fdbb9d8b923fc8273c1fddbffff9379e52da657b..afce4b21732e62351c63048de156f43a111f4f8f 100644
--- a/module/VuFindTheme/src/VuFindTheme/InjectTemplateListener.php
+++ b/module/VuFindTheme/src/VuFindTheme/InjectTemplateListener.php
@@ -2,7 +2,7 @@
 /**
  * VuFind "Inject Template" Listener
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/LessCompiler.php b/module/VuFindTheme/src/VuFindTheme/LessCompiler.php
index 8e946a66d7bf7859d1f229d15edfdf5b844283b2..3b6c2923e20204e8f7847848f6839ffad65f50b7 100644
--- a/module/VuFindTheme/src/VuFindTheme/LessCompiler.php
+++ b/module/VuFindTheme/src/VuFindTheme/LessCompiler.php
@@ -2,7 +2,7 @@
 /**
  * Class to compile LESS into CSS within a theme.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/Minify/CSS.php b/module/VuFindTheme/src/VuFindTheme/Minify/CSS.php
index 9fc2e5353f83cc139639ce71bd5cf5bda25364ea..95547c4a01034af74ddebcf2504cb73e93be2af0 100644
--- a/module/VuFindTheme/src/VuFindTheme/Minify/CSS.php
+++ b/module/VuFindTheme/src/VuFindTheme/Minify/CSS.php
@@ -2,7 +2,7 @@
 /**
  * CSS minifier extension
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/Minify/PathConverter.php b/module/VuFindTheme/src/VuFindTheme/Minify/PathConverter.php
index dd69996b62dd2a0ff2dc2b12f5059ef9f49de2cd..55070c5982df1eb70a31243b0f5c165d3eb54a2d 100644
--- a/module/VuFindTheme/src/VuFindTheme/Minify/PathConverter.php
+++ b/module/VuFindTheme/src/VuFindTheme/Minify/PathConverter.php
@@ -2,7 +2,7 @@
 /**
  * CSS path converter extension
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) The National Library of Finland 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/MixinGenerator.php b/module/VuFindTheme/src/VuFindTheme/MixinGenerator.php
index f9e6468122efbedd973e959c0162117421a3d5e1..e7cc4019f570d7a36d3c8f770c2090a14cf42c20 100644
--- a/module/VuFindTheme/src/VuFindTheme/MixinGenerator.php
+++ b/module/VuFindTheme/src/VuFindTheme/MixinGenerator.php
@@ -2,7 +2,7 @@
 /**
  * Class to generate a new mixin from a template.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/Mobile.php b/module/VuFindTheme/src/VuFindTheme/Mobile.php
index f4fe643c7fb839d7b8ae500596a40c62f5f6477d..cb54654ba6bd53a6702b44817971340dccc70ec5 100644
--- a/module/VuFindTheme/src/VuFindTheme/Mobile.php
+++ b/module/VuFindTheme/src/VuFindTheme/Mobile.php
@@ -2,7 +2,7 @@
 /**
  * Mobile Device Detection Wrapper
  *
- * PHP version 5
+ * PHP version 7
  *
  * This file is a wrapper around the mobileesp library for browser detection.
  * We chose mobileesp as VuFind's default option because it is fairly robust
diff --git a/module/VuFindTheme/src/VuFindTheme/ResourceContainer.php b/module/VuFindTheme/src/VuFindTheme/ResourceContainer.php
index c0573975002d964d9318cde443855ba3ebdc4cf0..5094cc56a10704614539b2fd8149f217511ed2ac 100644
--- a/module/VuFindTheme/src/VuFindTheme/ResourceContainer.php
+++ b/module/VuFindTheme/src/VuFindTheme/ResourceContainer.php
@@ -2,7 +2,7 @@
 /**
  * VuFind Theme Public Resource Handler (for CSS, JS, etc.)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/ThemeCompiler.php b/module/VuFindTheme/src/VuFindTheme/ThemeCompiler.php
index 1e3fd1554cf689b267212df2311a9c3cf8bb7903..fbb1ef6083a76a2340e0ec36d06ac3c3ccff100b 100644
--- a/module/VuFindTheme/src/VuFindTheme/ThemeCompiler.php
+++ b/module/VuFindTheme/src/VuFindTheme/ThemeCompiler.php
@@ -2,7 +2,7 @@
 /**
  * Class to compile a theme hierarchy into a single flat theme.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/ThemeGenerator.php b/module/VuFindTheme/src/VuFindTheme/ThemeGenerator.php
index fe3a999096c6f4454c8ecb11fc5f05ceb0ad364b..8ae59b2d347013374d24d059932989be25062f8c 100644
--- a/module/VuFindTheme/src/VuFindTheme/ThemeGenerator.php
+++ b/module/VuFindTheme/src/VuFindTheme/ThemeGenerator.php
@@ -2,7 +2,7 @@
 /**
  * Class to generate a new theme from a template and reconfigure VuFind to use it.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/ThemeInfo.php b/module/VuFindTheme/src/VuFindTheme/ThemeInfo.php
index bc520b86b09892b7184373862fff968851d566b5..d677c3f5baa5d0a5ecc96244f27e35941bf7ac84 100644
--- a/module/VuFindTheme/src/VuFindTheme/ThemeInfo.php
+++ b/module/VuFindTheme/src/VuFindTheme/ThemeInfo.php
@@ -2,7 +2,7 @@
 /**
  * Class to represent currently-selected theme and related information.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/ConcatTrait.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/ConcatTrait.php
index 7b670c3adb6e081bbddf2dda94e594f68c418fb3..c6b5037d9c3a3cb9100821e0d6a20565689fb9ee 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/ConcatTrait.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/ConcatTrait.php
@@ -3,7 +3,7 @@
  * Trait to add asset pipeline functionality (concatenation / minification) to
  * a HeadLink/HeadScript-style view helper.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2016.
  * Copyright (C) The National Library of Finland 2017.
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/Factory.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/Factory.php
index 8d20a7df320554301774daeb6185d37b0b027f69..662e5dfeeee2f413f54d029580ddbfe8c37602a7 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/Factory.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/Factory.php
@@ -2,7 +2,7 @@
 /**
  * Factory for VuFindTheme view helpers.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2014.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadLink.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadLink.php
index f032bfd09f5325f30d8a2d321d94f1b9dcef67b8..60168d4d6dc776d963badfb2b74f3239e871f06c 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadLink.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadLink.php
@@ -2,7 +2,7 @@
 /**
  * Head link view helper (extended for VuFind's theme system)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadScript.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadScript.php
index cbbc3529a1893e2c827bdcd5d3b76bc549b501ec..d2328c7795637cfbbf6430686ce91691d1522306 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadScript.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadScript.php
@@ -2,7 +2,7 @@
 /**
  * Head script view helper (extended for VuFind's theme system)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadThemeResources.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadThemeResources.php
index e590798d9d4b177eced57968f70739bf951c5642..99509798788b3ff378138d2e756ff10cfad42abf 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadThemeResources.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/HeadThemeResources.php
@@ -2,7 +2,7 @@
 /**
  * View helper for loading theme-related resources in the header.
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/ImageLink.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/ImageLink.php
index dd7027b384129733efdfc56fe418a21d3dde9fdb..21b54fe403dae31543c2aeb7a0229e416c5b02d6 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/ImageLink.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/ImageLink.php
@@ -2,7 +2,7 @@
 /**
  * Image link view helper (extended for VuFind's theme system)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/src/VuFindTheme/View/Helper/InlineScript.php b/module/VuFindTheme/src/VuFindTheme/View/Helper/InlineScript.php
index ec9fc2596ff2e35065b6979b9fd90fcb028d21b1..2ab8754b90da1bad0d8601e57498eccfdc0488e9 100644
--- a/module/VuFindTheme/src/VuFindTheme/View/Helper/InlineScript.php
+++ b/module/VuFindTheme/src/VuFindTheme/View/Helper/InlineScript.php
@@ -2,7 +2,7 @@
 /**
  * Inline script view helper (extended for VuFind's theme system)
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/LessCompilerTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/LessCompilerTest.php
index b511f24297a8c65b906be6d8c983be1eab5287f8..733fcdeaf8ce01f40b800c5c8195597424fe0da3 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/LessCompilerTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/LessCompilerTest.php
@@ -2,7 +2,7 @@
 /**
  * LessCompiler Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
index a4d80e634120fcb6311ffd9e1173b9c971e29cb2..1638647c8dce8ce40761d78aadfc4194422a42da 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
@@ -2,7 +2,7 @@
 /**
  * ThemeCompiler Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2017.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInfoTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInfoTest.php
index 7d2653f5656022b33e8fef0b8e3689eb4f05a7eb..cebb80d60eec6002fa37aa99e3532ac8c0061cfe 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInfoTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInfoTest.php
@@ -2,7 +2,7 @@
 /**
  * ThemeInfo Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInjectTemplateListenerTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInjectTemplateListenerTest.php
index 8cbd2fc0bce7c173c6110f9e98a5fcf2739c83e1..58b7c1d59b508c07083ec532221e9ce4a8336574 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInjectTemplateListenerTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeInjectTemplateListenerTest.php
@@ -2,7 +2,7 @@
 /**
  * InjectTemplateListener Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeMobileTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeMobileTest.php
index 38ac707fadcaa9ed4fa79a8f29e737cc78934263..505d41a63228e6ec899c4ac3a64df03cab1ccd25 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeMobileTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeMobileTest.php
@@ -2,7 +2,7 @@
 /**
  * Mobile Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeResourceContainerTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeResourceContainerTest.php
index 7ff5bda7576d62a9e8607f9dbb514549df210257..8ca368b10c9dfeb6c9e3276652d04590dd959bd8 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeResourceContainerTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeResourceContainerTest.php
@@ -2,7 +2,7 @@
 /**
  * ResourceContainer Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/HeadThemeResourcesTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/HeadThemeResourcesTest.php
index 4a55a25b3e1d56dfbc18acf579fdd9d24155eb47..64e078a3934afcf6d21c4779142c85f92de34afe 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/HeadThemeResourcesTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/HeadThemeResourcesTest.php
@@ -2,7 +2,7 @@
 /**
  * HeadThemeResources view helper Test Class
  *
- * PHP version 5
+ * PHP version 7
  *
  * Copyright (C) Villanova University 2010.
  *