MenuActiveTrail::getActiveLink

public MenuActiveTrail::getActiveLink($menu_name = NULL)

public function getActiveLink($menu_name = NULL) {
  // Note: this is a very simple implementation. If you need more control
  // over the return value, such as matching a prioritized list of menu names,
  // you should substitute your own implementation for the 'menu.active_trail'
  // service in the container.
  // The menu links coming from the storage are already sorted by depth,
  // weight and ID.
  $found = NULL;

  $route_name = $this->routeMatch->getRouteName();
  // On a default (not custom) 403 page the route name is NULL. On a custom
  // 403 page we will get the route name for that page, so we can consider
  // it a feature that a relevant menu tree may be displayed.
  if ($route_name) {
    $route_parameters = $this->routeMatch->getRawParameters()->all();

    // Load links matching this route.
    $links = $this->menuLinkManager->loadLinksByRoute($route_name, $route_parameters, $menu_name);
    // Select the first matching link.
    if ($links) {
      $found = reset($links);
    }
  }
  return $found;
}