public static function previewWithOpenid($openid, MassMessage $message) { $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/preview?access_token=ACCESS_TOKEN'; $data = array('touser' => $openid); $data = array_merge($data, $message->jsonData()); $data['msgtype'] = $message->type(); return parent::request($url, $data); }