vendor/symfony/mercure/src/EventSubscriber/SetCookieSubscriber.php line 27
<?php/** This file is part of the Mercure Component project.** (c) Kévin Dunglas <dunglas@gmail.com>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/declare(strict_types=1);namespace Symfony\Component\Mercure\EventSubscriber;use Symfony\Component\EventDispatcher\EventSubscriberInterface;use Symfony\Component\HttpKernel\Event\ResponseEvent;use Symfony\Component\HttpKernel\KernelEvents;/*** Sets the cookies created by the Authorization helper class.** @author Kévin Dunglas <kevin@dunglas.fr>*/final class SetCookieSubscriber implements EventSubscriberInterface{public function onKernelResponse(ResponseEvent $event): void{$mainRequest = method_exists($event, 'isMainRequest') ? $event->isMainRequest() : $event->isMasterRequest(); /* @phpstan-ignore-line */if (!($mainRequest) ||null === $cookies = ($request = $event->getRequest())->attributes->get('_mercure_authorization_cookies')) {return;}$request->attributes->remove('_mercure_authorization_cookies');$response = $event->getResponse();foreach ($cookies as $cookie) {$response->headers->setCookie($cookie);}}/*** {@inheritdoc}*/public static function getSubscribedEvents(): array{return [KernelEvents::RESPONSE => 'onKernelResponse'];}}