From 53fd47b5e3370a1509d2a11a6cbf3ba2b40aba54 Mon Sep 17 00:00:00 2001
From: Chris Hallberg <crhallberg@gmail.com>
Date: Wed, 20 Jun 2018 16:19:53 -0400
Subject: [PATCH] Fix unset driver in similar items channel provider.
---
module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php b/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
index 62b60f5f2d0..9c01d2ca719 100644
--- a/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
+++ b/module/VuFind/src/VuFind/ChannelProvider/SimilarItems.php
@@ -162,7 +162,10 @@ class SimilarItems extends AbstractChannelProvider
}
// If the search results did not include the object we were looking for,
// we need to fetch it from the search service:
- if (empty($channels) && is_object($driver) && $channelToken !== null) {
+ if (empty($channels)
+ && is_object($driver ?? null)
+ && $channelToken !== null
+ ) {
$driver = $this->searchService->retrieve(
$driver->getSourceIdentifier(), $channelToken
)->first();
--
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