Horde_Db_Adapter_Base::_cacheKey PHP Method

    protected function _cacheKey($key)
    {
        if (!isset($this->_cachePrefix)) {
            $this->_cachePrefix = get_class($this) . hash(version_compare(PHP_VERSION, '5.4', '>=') ? 'fnv132' : 'sha1', serialize($this->_config));
        }
        return $this->_cachePrefix . $key;
    }