class CacheRouterRebuildSubscriber in Drupal 9

Clear cache tags when the router is rebuilt.

Hierarchy

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

1 string reference to 'CacheRouterRebuildSubscriber'

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

core/core.services.yml

1 service uses CacheRouterRebuildSubscriber

cache_router_rebuild_subscriber in core/core.services.yml

Drupal\Core\EventSubscriber\CacheRouterRebuildSubscriber

File

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

Namespace

Drupal\Core\EventSubscriber

class CacheRouterRebuildSubscriber implements EventSubscriberInterface {

  /**
   * {@inheritdoc}
   */
  public function onRouterFinished() {

    // Requested URLs that formerly gave a 403/404 may now be valid.
    // Also invalidate all cached routing as well as every HTTP response.
    Cache::invalidateTags([
      '4xx-response',
      'route_match',
      'http_response',
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events = [];

    // Act only when the router rebuild is finished.
    $events[RoutingEvents::FINISHED][] = [
      'onRouterFinished',
      200,
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CacheRouterRebuildSubscriber::getSubscribedEvents	public static	function
CacheRouterRebuildSubscriber::onRouterFinished	public	function