php实现短信验证

<?php
//命名空间
namespace ?app\index\controller;

use think\controller;
use app\index\module;

class Index extends controller{
??
???public function Sms(){
??????//接受手机号 ?访问路由上index,php/phone/13012492778
???$phone = post(‘phone‘);
???????$rand = rand(1000,9999);

???$url = "http://api.chanyoo.cn/utf8/interface/send_sms.aspx?username=wgnoreognreo&password=cnjdskcnkds&content=验证码：".$rand."【短信提示】&receiver=".$phone; ?//URL为短信发送的api地址，返回为xml的方式
???$file = file_get_contents($url); ??//跨域访问 访问外部网站get

???????//转换xml结果
???$xml = simplexml_load_string($file);
???????$date = json_decode(json_encode($xml),TRUE); ?//如果成功，$date[‘message‘]返回“短信提交成功”

???????//进行对$date
???????if($date[‘message‘] == "短信提交成功"){
?????????$Sms = ?Sms::create([ ?//成功后返回json格式的数据
????????????"phone" ?=> $phone,
????????????"rand" ??=> $rand, ?
????????????]);
?????????echo "存入成功！".$Sms;
???????};
???}

  } 

?>