[Anomalie] PHP Notice: Only variables should be passed by reference

src/UnicaenLdap/Entity/Entity.php

@@ -171,7 +171,8 @@ abstract class Entity
      */
     public function getKey()
     {
-        return reset(self::getNodeParams($this->type));
+        $params = self::getNodeParams($this->type);
+        return reset($params);
     }
 
     /**