php判断用户是否关注微信公众号

<?php    $access_token = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=XXXXXXXXXXXXXXXXXX&secret=XXXXXXXXXXXXXXXXXXXXXXXXXX";    $access_msg = json_decode(file_get_contents($access_token));    $token = $access_msg->access_token;    $subscribe_msg = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=$token&openid=$_GET[openid]";    $subscribe = json_decode(file_get_contents($subscribe_msg));    $gzxx = $subscribe->subscribe;    //    if($gzxx === 1){     echo "已关注";    }else{    echo "未关注";     }

< ? php$access_token = $this - > _getAccessToken();$subscribe_msg = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid='.$_SESSION['wecha_id'];$subscribe = json_decode($this - > curlGet($subscribe_msg));$zyxx = $subscribe - > subscribe;if ($zyxx !== 1) { echo'未关注！';}private function _getAccessToken() { $where = array('token' = > $this - > token); $this - > thisWxUser = M('Wxuser') - > where($where) - > find(); $url_get = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$this - > thisWxUser['appid'].'&secret='.$this - > thisWxUser['appsecret']; $json = json_decode($this - > curlGet($url_get)); if (!$json - > errmsg) { } else { $this - > error('获取access_token发生错误：错误代码'.$json - > errcode.',微信返回错误信息：'.$json - > errmsg); } return $json - > access_token;}? >