Fix CS

lib/classes/record/adapter.php

@@ -896,7 +896,7 @@ class record_adapter implements record_Interface, cache_cacheableInterface
 
         if (count($fields_to_retrieve) > 0) {
             $retrieved_fields = $this->get_caption()->get_highlight_fields($highlight, $fields_to_retrieve, $searchEngine);
-            $titles = array();
+            $titles = [];
             foreach ($retrieved_fields as $value) {
                 foreach ($value['values'] as $v) {
                     $titles[] = $v['value'];