判断用户是否关注,没有关注强制关注

public function subscribe($jumpurl, $request)
    {
        if (empty(session('wxopenid'))) {
            //获取用户openid
            $baseurl = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . url('hiv/choose/oauth');
            $url = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
            header("Location:" . $baseurl . '?url=' . $url);
        } else {
            //判断用户是否关注
            $access_token = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $this->appid . '&secret=' . $this->appsecret;
            $access_msg = json_decode(file_get_contents($access_token), true);
            $token = $access_msg['access_token'];
            $subscribe_msg = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" . $token . "&openid=" . session('wxopenid');
            $subscribe = json_decode(file_get_contents($subscribe_msg), true);

            //查询机器的返现金额
            $fxmoney = $this->wlgetCol('machine', array('machinenum' => $request[0], 'state' => 1), 'money');
            if (empty($fxmoney)) {
                exit("<script>alert('这台机器不可使用');window.history.back(-1);</script>");
            }
            //数据
            $data = array(
                'uid' => $this->uid,
                'openid' => $this->wxopenid,
                'machinenum' => $request[0],
                'addtime' => time(),
                'pay' => 0,
                'sbtype' => $request[1],
                'oid' => 0,
                'down' => 0,
                'idcard' => 0,
                'fxmoney' => $fxmoney
            );

            if ($subscribe['subscribe'] == 1) {
                $data['new'] = 1;
                $this->wladdOne('equipment', $data);
                //已关注
                header("Location:" . $jumpurl);
            } else {
                $data['new'] = 0;
                $this->wladdOne('equipment', $data);
                //未关注
                $url = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . url('Wl/Choose/subscribe');
                header("Location:" . $url);
            }
        }
    }