Piwik\Tracker\Response::outputTransparentGif PHP Method

    private function outputTransparentGif()
    {
        $transGifBase64 = "R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==";
        Common::sendHeader('Content-Type: image/gif');
        echo base64_decode($transGifBase64);
    }