stdClass Object
(
    [response] => stdClass Object
        (
            [version] => 0.1
            [termsofService] => http://www.wunderground.com/weather/api/d/terms.html
            [features] => stdClass Object
                (
                )

            [error] => stdClass Object
                (
                    [type] => keynotfound
                    [description] => this key does not exist
                )

        )

)