Use null coalescing operator wherever possible

diff --git a/files/lib/system/search/ConversationMessageSearch.class.php b/files/lib/system/search/ConversationMessageSearch.class.php
index 735f9d3c940ec7f9d470c2ce5c9ded0c2dd2c15a..f8bcaef25a79fc3be21ecc2482c4489d7e744b3e 100644 (file)
--- a/files/lib/system/search/ConversationMessageSearch.class.php
+++ b/files/lib/system/search/ConversationMessageSearch.class.php
@@ -66,11 +66,7 @@ class ConversationMessageSearch extends AbstractSearchableObjectType
      */
     public function getObject($objectID)
     {
-        if (isset($this->messageCache[$objectID])) {
-            return $this->messageCache[$objectID];
-        }
-
-        return null;
+        return $this->messageCache[$objectID] ?? null;
     }
 
     /**