Pinq\Caching\QueryCache::tryGet PHP Метод

    public function tryGet($hash)
    {
        if (!isset(self::$secondLevelCache[$hash])) {
            self::$secondLevelCache[$hash] = $this->cacheAdapter->tryGet($hash) ?: null;
        }
        $cachedValue = self::$secondLevelCache[$hash];
        return $cachedValue instanceof IQuery ? $cachedValue : null;
    }