class RouteSubscriber

Listens to the dynamic route events.

The \Drupal\Core\Routing\RouteSubscriberBase class contains an event listener that listens to this event. We alter existing routes by implementing the alterRoutes(RouteCollection $collection) method of this class.

Hierarchy

• class \Drupal\Core\Routing\RouteSubscriberBase implements \Symfony\Component\EventDispatcher\EventSubscriberInterface
  • class \Drupal\menu_example\Routing\RouteSubscriber extends \Drupal\Core\Routing\RouteSubscriberBase

Expanded class hierarchy of RouteSubscriber

See also

https://www.drupal.org/docs/8/api/routing-system/altering-existing-rout…

File

modules/menu_example/src/Routing/RouteSubscriber.php, line 18

Namespace

class RouteSubscriber extends RouteSubscriberBase {
    
    /**
     * {@inheritdoc}
     */
    public function alterRoutes(RouteCollection $collection) {
        // Get the path from RouteCollection.
        $route = $collection->get('example.menu_example.path_override');
        // Set the new path.
        $route->setPath('/examples/menu-example/menu-altered-path');
        // Change title to indicate changes.
        $route->setDefault('_title', 'Menu item altered by RouteSubscriber::alterRoutes');
    }

}

Members