src/EventSubscriber/BeforeLoginSubscriber.php line 11
<?phpnamespace App\EventSubscriber;use Symfony\Component\EventDispatcher\EventSubscriberInterface;use Symfony\Component\HttpKernel\Event\RequestEvent;use Symfony\Component\HttpKernel\KernelEvents;class BeforeLoginSubscriber implements EventSubscriberInterface{public function onKernelRequest(RequestEvent $event){$request = $event->getRequest();if ($request->isMethod('POST') &&$request->get('_route') == 'user_login'){$password = $request->request->get('_password');if ($password != '')$request->request->set('_password', mb_strtolower($password, 'UTF-8'));}}public static function getSubscribedEvents(){return [KernelEvents::REQUEST => ['onKernelRequest', 9]];}}