Networking\InitCmsBundle\Model\MenuItem::getRootParent PHP Метод

    public function getRootParent(MenuItemInterface $menuItem)
    {
        if (!$menuItem->getId()) {
            return false;
        }
        if ($parent = $menuItem->getParent()) {
            return $this->getRootParent($parent);
        }
        return $menuItem;
    }