src/EventSubscriber/ResponseCharsetSubscriber.php line 11

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  6. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  7. use Symfony\Component\HttpKernel\KernelEvents;
  9. class ResponseCharsetSubscriber implements EventSubscriberInterface
  10. {
  11.     public function onKernelResponse(ResponseEvent $event): void
  12.     {
  13.         if (!$event->isMainRequest()) {
  14.             return;
  15.         }
  17.         $response = $event->getResponse();
  18.         $contentType = $response->headers->get('Content-Type');
  20.         if ($contentType !== null && stripos($contentType, 'text/html') === false) {
  21.             return;
  22.         }
  24.         $response->setCharset('UTF-8');
  26.         if ($contentType === null) {
  27.             $response->headers->set('Content-Type', 'text/html; charset=UTF-8');
  28.             return;
  29.         }
  31.         if (stripos($contentType, 'charset=') === false) {
  32.             $response->headers->set('Content-Type', $contentType . '; charset=UTF-8');
  33.             return;
  34.         }
  36.         $response->headers->set(
  37.             'Content-Type',
  38.             preg_replace('/charset=([^;]+)/i', 'charset=UTF-8', $contentType)
  39.         );
  40.     }
  42.     public static function getSubscribedEvents(): array
  43.     {
  44.         return [
  45.             KernelEvents::RESPONSE => 'onKernelResponse',
  46.         ];
  47.     }
  48. }