class ResponseGeneratorSubscriber in Drupal 8

Response subscriber to add X-Generator header tag.

Hierarchy

• class \Drupal\Core\EventSubscriber\ResponseGeneratorSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'ResponseGeneratorSubscriber'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses ResponseGeneratorSubscriber

response_generator_subscriber in core/core.services.yml

Drupal\Core\EventSubscriber\ResponseGeneratorSubscriber

File

core/lib/Drupal/Core/EventSubscriber/ResponseGeneratorSubscriber.php, line 12

Namespace

Drupal\Core\EventSubscriber

class ResponseGeneratorSubscriber implements EventSubscriberInterface {

  /**
   * Sets extra X-Generator header on successful responses.
   *
   * @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
   *   The event to process.
   */
  public function onRespond(FilterResponseEvent $event) {
    if (!$event
      ->isMasterRequest()) {
      return;
    }
    $response = $event
      ->getResponse();

    // Set the generator in the HTTP header.
    list($version) = explode('.', \Drupal::VERSION, 2);
    $response->headers
      ->set('X-Generator', 'Drupal ' . $version . ' (https://www.drupal.org)');
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[KernelEvents::RESPONSE][] = [
      'onRespond',
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ResponseGeneratorSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
ResponseGeneratorSubscriber::onRespond	public	function	Sets extra X-Generator header on successful responses.