DboSource::getQueryCache PHP Method

    public function getQueryCache($sql, $params = array())
    {
        if (isset($this->_queryCache[$sql]) && preg_match('/^\\s*select/i', $sql)) {
            $serialized = serialize($params);
            if (isset($this->_queryCache[$sql][$serialized])) {
                return $this->_queryCache[$sql][$serialized];
            }
        }
        return false;
    }