all() as $route) { // Hide taxonomy pages from unprivileged users. if (strpos($route->getPath(), '/taxonomy/term') === 0) { $route->setRequirement('_role', 'administrator'); } } } /** * {@inheritdoc} */ public static function getSubscribedEvents() { $events = parent::getSubscribedEvents(); // Use a lower priority than \Drupal\views\EventSubscriber\RouteSubscriber // to ensure the requirement will be added to its routes. $events[RoutingEvents::ALTER] = ['onAlterRoutes', -300]; return $events; } }