public function sortSubscribers($eventName)
    {
        $this->sorted[$eventName] = array();
        if (isset($this->eventList[$eventName])) {
            krsort($this->eventList[$eventName]);
            $this->sorted[$eventName] = call_user_func_array('array_merge', $this->eventList[$eventName]);
        }

        return $this->sorted[$eventName];
    }