public static function loadReceiverObject($receiver_name) { if (!$receiver_name) { return null; } $receiver_type = $receiver_name[0]; $receiver_id = substr($receiver_name, 1); $class_obj = null; switch ($receiver_type) { case 'T': $class_obj = new ManiphestTask(); break; case 'D': $class_obj = new DifferentialRevision(); break; case 'C': $class_obj = new PhabricatorRepositoryCommit(); break; default: return null; } return $class_obj->load($receiver_id); }