手机微信微信公众号开发设计，分辨客户是不是

?php
function doCurl($url){
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  $res = curl_exec($ch);
  $info = json_decode($res,true);
  curl_close($ch);
  return $info;
}
$appid= 微信公众号appid
$secret= 微信公众号秘钥
// openid得到
$urlTmp = sns/oauth2/access_token?appid=$appid secret=$secret code= .$_GET['code']. grant_type=authorization_code
$res = doCurl($urlTmp);
$ssWxid = $res['openid'];
// access_token得到
$url_get = cgi-bin/token?grant_type=client_credential appid=$appid secret=$secret
$resToken = doCurl($url_get);
$access_token = $resToken['access_token'];
// 分辨是不是早已关心微信公众号
$subscribe_msg = 'cgi-?access_token='.$access_token.' openid='.$ssWxid;
$subscribe = doCurl($subscribe_msg);
$zyxx = $subscribe['subscribe'];
?
script type= text/javascript
function redirectToHttps()
{
  ?php if ($zyxx !== 1) { ?
  // 未关心时，自动跳转到关心网页页面
  window.location = mp/profile_ext?action=home __biz=MjM5CTEwNjI0OQ== scene=124#wechat_redirect
  ?php } else { ?
  // 早已关心时，自动跳转到业务流程网页页面
  ?php } ?
}
/script
body onload= redirectToHttps()
/body
/html