function AdminRouteSubscriber::alterRoutes

Alters existing routes for a specific collection.

Parameters

\Symfony\Component\Routing\RouteCollection $collection: The route collection for adding routes.

Overrides RouteSubscriberBase::alterRoutes

File

core/modules/system/src/EventSubscriber/AdminRouteSubscriber.php, line 18

Class

AdminRouteSubscriber

Adds the _admin_route option to each admin HTML route.

Namespace

Code

protected function alterRoutes(RouteCollection $collection) {
  foreach ($collection->all() as $route) {
    $path = $route->getPath();
    if (($path == '/admin' || str_starts_with($path, '/admin/')) && !$route->hasOption('_admin_route') && static::isHtmlRoute($route)) {
      $route->setOption('_admin_route', TRUE);
    }
  }
}