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

    public function getKeys($language)
    {
        $item = $this->cache->getItem('keys_' . $language);
        if ($item->isHit()) {
            return $item->get();
        }
        $keys = $this->getData($language)[0];
        $item->set($keys);
        $this->cache->save($item);
        return $keys;
    }