MenuTreeStorage::loadByRoute

public MenuTreeStorage::loadByRoute($route_name, array $route_parameters = array(), $menu_name = NULL)

public function loadByRoute($route_name, array $route_parameters = array(), $menu_name = NULL) {
  // Sort the route parameters so that the query string will be the same.
  asort($route_parameters);
  // Since this will be urlencoded, it's safe to store and match against a
  // text field.
  // @todo Standardize an efficient way to load by route name and parameters
  //   in place of system path. https://www.drupal.org/node/2302139
  $param_key = $route_parameters ? UrlHelper::buildQuery($route_parameters) : '';
  $query = $this->connection->select($this->table, $this->options);
  $query->fields($this->table, $this->definitionFields());
  $query->condition('route_name', $route_name);
  $query->condition('route_param_key', $param_key);
  if ($menu_name) {
    $query->condition('menu_name', $menu_name);
  }
  // Make the ordering deterministic.
  $query->orderBy('depth');
  $query->orderBy('weight');
  $query->orderBy('id');
  $loaded = $this->safeExecuteSelect($query)->fetchAllAssoc('id', \PDO::FETCH_ASSOC);
  foreach ($loaded as $id => $link) {
    $loaded[$id] = $this->prepareLink($link);
  }
  return $loaded;
}