Backend\Modules\Pages\Engine\CacheBuilder::getNavigation PHP Метод

    public function getNavigation($language)
    {
        $item = $this->cache->getItem('navigation_' . $language);
        if ($item->isHit()) {
            return $item->get();
        }
        $navigation = $this->getData($language)[1];
        $item->set($navigation);
        $this->cache->save($item);
        return $navigation;
    }