Eliminated unused variables.

module/VuFind/src/VuFind/Recommend/EuropeanaResults.php

@@ -283,7 +283,7 @@ class EuropeanaResults implements RecommendInterface,
         }
         $parsedFeed = FeedReader::import($this->targetUrl);
         $resultsProcessed = array();
-        foreach ($parsedFeed as $key => $value) {
+        foreach ($parsedFeed as $value) {
             $link = (string)$value->link;
             if (!empty($link)) {
                 $resultsProcessed[] = array(

module/VuFind/src/VuFind/Search/Base/Options.php

@@ -172,7 +172,6 @@ abstract class Options implements TranslatorAwareInterface
     {
         $label = empty($label) ? false : $this->translate($label);
 
-        $targetHandler = false;
         foreach ($this->getBasicHandlers() as $id => $currentLabel) {
             if ($this->translate($currentLabel) == $label) {
                 return $id;

module/VuFind/src/VuFind/Search/Solr/Params.php

@@ -136,7 +136,7 @@ class Params extends \VuFind\Search\Base\Params
         $facetSet = array();
         if (!empty($this->facetConfig)) {
             $facetSet['limit'] = $this->facetLimit;
-            foreach ($this->facetConfig as $facetField => $facetName) {
+            foreach (array_keys($this->facetConfig) as $facetField) {
                 if ($this->getFacetOperator($facetField) == 'OR') {
                     $facetField = '{!ex=' . $facetField . '_filter}' . $facetField;
                 }