微信公众号判断用户是否已关注php代码解析

< ? php

$aess_token = $this - > _getAessToken();
$subscribe_msg = 'https://api.weixin.qq./cgi-bin/user/info?aess_token='.$aess_token.'&openid='.$_SESSION['wecha_id'];
$subscribe = json_decode($this - > curlGet($subscribe_msg));
$zyxx = $subscribe - > subscribe;

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