检查用户是否关注微信公众号

public function isguanzhu(){
     
        $user_id = input('user_id');
        $user = Huashiusers::where('id',$user_id)->find();
        $token = $this->access_token();
        $subscribe_msg = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=$token&openid=".$user['openid'];
        $subscribe = json_decode($this->curl_get($subscribe_msg));
        $gzxx = $subscribe->subscribe;
        if($gzxx === 1){
     
            return $this->ajaxReturn($this->successCode,'返回成功',1); //关注
        }else {
     
            return $this->ajaxReturn($this->successCode,'返回成功',0); //未关注
        }
    }

//获取access_token
    public function access_token(){
     
	    $token = Huashibili::find(1);
	    $access_token = $token['access_token'];
	    if(time() > $token['time']){
     
            $url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.Config::get('app.appid').'&secret='.Config::get('app.secret');
            $data = json_decode($this->curl_get($url),true);
            $access_token = $data['access_token'];
            $token->access_token = $data['access_token'];
            $token->time = time() + 3600;
            $token->save();
        }
	    return $access_token;
    }

protected function curl_get($url)
    {
     
        //初始化
        $curl = curl_init();
        $removeBom = function($url) {
      return preg_replace('/\\0/', "", $url); };
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        //设置抓取的url
        curl_setopt($curl,CURLOPT_URL,$removeBom($url));
        //设置获取的信息以文件流的形式返回，而不是直接输出。
        curl_setopt($curl,CURLOPT_RETURNTRANSFER, 1);
        //执行命令
        $data = curl_exec($curl);

        //关闭URL请求
        curl_close($curl);
        //显示获得的数据
        return $data;
    }