wechat ban domain check! 

$domain = 'https://baidu.com';
$domain = urlencode($domain);
$wxCheckUrl = 'https://weixin110.qq.com/cgi-bin/mmspamsupport-bin/newredirectconfirmcgi?main_type=2&evil_type=20&source=2&url=';
$wxCheckUrl .= $domain;
file_get_contents($wxCheckUrl);
file_put_contents(uniqid().'.txt',json_encode($res));