Same name and namespace in other branches
  1. 8.9.x core/lib/Drupal/Core/EventSubscriber/ResponseGeneratorSubscriber.php \Drupal\Core\EventSubscriber\ResponseGeneratorSubscriber
  2. 9 core/lib/Drupal/Core/EventSubscriber/ResponseGeneratorSubscriber.php \Drupal\Core\EventSubscriber\ResponseGeneratorSubscriber

Response subscriber to add X-Generator header tag.

Hierarchy

Expanded class hierarchy of ResponseGeneratorSubscriber

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
View source 
class ResponseGeneratorSubscriber implements EventSubscriberInterface {

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

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

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

}

Members

Namesort descending Modifiers Type Description Overrides
ResponseGeneratorSubscriber::getSubscribedEvents public static function
ResponseGeneratorSubscriber::onRespond public function Sets extra X-Generator header on successful responses.