Zend\Mvc\Controller\Plugin\Forward::getSharedListenersById PHP Метод

    private function getSharedListenersById($id, $event, SharedEvents $sharedEvents)
    {
        if (method_exists($sharedEvents, 'attachAggregate')) {
            // v2
            return $sharedEvents->getListeners($id, $event) ?: [];
        }
        // v3
        return $sharedEvents->getListeners([$id], $event);
    }