23     private $handler = NULL;  variable in Doku_Action_Manager
39         $handler = new $class;
40         return ($handler->action() != $action) ? NULL : $handler;
57 		$handler = NULL;
60 			if (!$handler) {
61 				$handler = $new;
65 				if (is_subclass_of($new, get_class($handler)))
66 					$handler = $new;
67 				else if (!is_subclass_of($handler, get_class($new)))
68 					throw new ConflictActionException($handler, $new);
71 		return $handler;
87 		$this->handler = NULL;
99 		$this->handler = $this->unique($this->handlers, $action);
110         if (!$this->handler) return FALSE;
114         if ($this->handler->permission_required() > $INFO['perm']) {
120         $new_action = $this->handler->handle();