RedBeanPHP\QueryWriter\AQueryWriter::getCached PHP Method

    private function getCached($cacheTag, $key)
    {
        $sql = $this->adapter->getSQL();
        if ($this->updateCache()) {
            if (isset($this->cache[$cacheTag][$key])) {
                return $this->cache[$cacheTag][$key];
            }
        }
        return NULL;
    }