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/vendor/symfony/http-kernel/EventListener/ -> ResponseListener.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\EventListener;
  13  
  14  use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15  use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
  16  use Symfony\Component\HttpKernel\KernelEvents;
  17  
  18  /**
  19   * ResponseListener fixes the Response headers based on the Request.
  20   *
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   */
  23  class ResponseListener implements EventSubscriberInterface
  24  {
  25      private $charset;
  26  
  27      public function __construct($charset)
  28      {
  29          $this->charset = $charset;
  30      }
  31  
  32      /**
  33       * Filters the Response.
  34       */
  35      public function onKernelResponse(FilterResponseEvent $event)
  36      {
  37          if (!$event->isMasterRequest()) {
  38              return;
  39          }
  40  
  41          $response = $event->getResponse();
  42  
  43          if (null === $response->getCharset()) {
  44              $response->setCharset($this->charset);
  45          }
  46  
  47          $response->prepare($event->getRequest());
  48      }
  49  
  50      public static function getSubscribedEvents()
  51      {
  52          return [
  53              KernelEvents::RESPONSE => 'onKernelResponse',
  54          ];
  55      }
  56  }


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