微信小程序获取手机号php代码

//获取微信access_token
    public function access_token(){
        $appid ='***********';
        $secret = '******************';
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$secret";
       $data = json_decode(file_get_contents($url,true),true);
       $access_token = $data['access_token'];
//       var_dump($access_token);
       return $access_token;
    }

 //获取微信手机号
    public function phone(){
        $code = Request::instance()->post();//获取微信发送code
      $access_token =  $this->access_token();
        function posturl($url,$data)
        {
            $data = json_encode($data);
            $headerArray = array("Content-type:application/json;charset='utf-8'", "Accept:application/json");
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            curl_setopt($curl, CURLOPT_HTTPHEADER, $headerArray);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
            $output = curl_exec($curl);
            curl_close($curl);
            return json_decode($output, true);
        }
        $phone =  posturl('https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token='.$access_token,$code);
        return json($phone);
    }

返回数据
{"errcode":0,"errmsg":"ok","phone_info":{"phoneNumber":"17633594810","purePhoneNumber":"17633594810","countryCode":"86","watermark":{"timestamp":1650767034,"appid":"wx7bb502f80d1fa3a5"}}}