<?phpnamespace BaseBundle\Event;use Symfony\Component\EventDispatcher\GenericEvent;class ValidKeyFormatter { public static function onGetValidKey(GenericEvent $event) { $key = $event->getArgument("key"); $type = $event->getArgument("type"); $key = \Pimcore\Tool\Transliteration::toASCII($key); $key = preg_replace('/[^a-zA-Z0-9\-\.~_]+/', '-', $key); $event->setArgument("key", strtolower($key));// if ($type == "document") {// $event->setArgument("key", strtolower($key));// } }}