src/EventSubscriber/HttpSubscriber.php line 19

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  6. use Symfony\Component\HttpKernel\Event\RequestEvent;
  7. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  8. use Symfony\Component\HttpKernel\KernelEvents;
  11. class HttpSubscriber implements EventSubscriberInterface {
  13.     public static function getSubscribedEvents(): array {
  14.         return [
  15.             KernelEvents::RESPONSE => 'onResponse',
  16.         ];
  17.     }
  19.     public function onResponse(ResponseEvent $event) {
  20.         $headers = $event->getResponse()->headers;
  22.         $headers->addCacheControlDirective('no-cache, no-store, max-age=0, must-revalidate');
  23.         $headers->set('Pragma', 'no-cache');
  24.         $headers->set('Expires', '0');
  26.     }
  28. }