(fix): search indexer crash due to tags becoming array - #2317

Author: markharding

Helpers/Text.php

@@ -125,7 +125,9 @@ public static function getHashtags($fullText): array
 
         preg_match_all($htRe, $fullText, $matches);
 
-        return $matches[2] ?? [];
+        return array_filter($matches[2] ?? [], function ($tag) {
+            return is_string($tag);
+        });
     }
 
     /**

classes/ElggEntity.php

@@ -1545,7 +1545,7 @@ public function getTags()
     {
         // There is a bug on mobile that is sending the hashtags with the hash, this shouldnt happen
         $this->tags = array_map(function ($tag) {
-            return str_replace('#', '', $tag);
+            return (string) str_replace('#', '', $tag);
         }, $this->tags ?: []);
         return $this->tags ?: [];
     }