vendor/friendsofsymfony/rest-bundle/EventListener/AllowedMethodsListener.php line 34
<?php/** This file is part of the FOSRestBundle package.** (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace FOS\RestBundle\EventListener;use FOS\RestBundle\FOSRestBundle;use FOS\RestBundle\Response\AllowedMethodsLoader\AllowedMethodsLoaderInterface;use Symfony\Component\HttpKernel\Event\ResponseEvent;/*** Listener to append Allow-ed methods for a given route/resource.** @author Boris Guéry <guery.b@gmail.com>** @internal*/class AllowedMethodsListener{private $loader;public function __construct(AllowedMethodsLoaderInterface $loader){$this->loader = $loader;}public function onKernelResponse(ResponseEvent $event): void{$request = $event->getRequest();if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {return;}$allowedMethods = $this->loader->getAllowedMethods();if (isset($allowedMethods[$event->getRequest()->get('_route')])) {$event->getResponse()->headers->set('Allow', implode(', ', $allowedMethods[$event->getRequest()->get('_route')]));}}}