AdminPageFramework_FieldType_system::_isHttpRequestError PHP Method

    private function _isHttpRequestError($mResponse)
    {
        if (is_wp_error($mResponse)) {
            return true;
        }
        if ($mResponse['response']['code'] < 200) {
            return true;
        }
        if ($mResponse['response']['code'] >= 300) {
            return true;
        }
        return false;
    }