How to use Yunpian.com to implement SMS verification code function in PHP

<?php
header("Content-Type:text/html;charset=utf-8");
$apikey = "xxxxxxxxxxxxxxx"; //修改为您的apikey(https://www.yunpian.com)登录官网后获取
$mobile =$_POST[&#39;mobile&#39;]; //获取传入的手机号
// $mobile = "xxxxxxxxxxx"; //请用自己的手机号代替
$num = rand(1000,9999);   //随机产生四位数字的验证码
setcookie(&#39;shopCode&#39;,$num);
$text="【蒙羊羊】您的验证码是".$num."。";
$ch = curl_init();

/* 设置验证方式 */
curl_setopt($ch, CURLOPT_HTTPHEADER, array(&#39;Accept:text/plain;charset=utf-8&#39;,
&#39;Content-Type:application/x-www-form-urlencoded&#39;, &#39;charset=utf-8&#39;));
/* 设置返回结果为流 */
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

/* 设置超时时间*/
curl_setopt($ch, CURLOPT_TIMEOUT, 10);

/* 设置通信方式 */
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

// 取得用户信息
$json_data = get_user($ch,$apikey);
$array = json_decode($json_data,true);
// echo &#39;<pre class="brush:php;toolbar:false">&#39;;print_r($array);

// 发送短信
$data=array(&#39;text&#39;=>$text,&#39;apikey&#39;=>$apikey,&#39;mobile&#39;=>$mobile);
$json_data = send($ch,$data);
$array = json_decode($json_data,true);
// echo &#39;<pre class="brush:php;toolbar:false">&#39;;print_r($array);

// 发送模板短信
// 需要对value进行编码
$data = array(&#39;tpl_id&#39; => &#39;1&#39;, &#39;tpl_value&#39; => (&#39;#code#&#39;).
&#39;=&#39;.urlencode($num).
&#39;&&#39;.urlencode(&#39;#company#&#39;).
&#39;=&#39;.urlencode(&#39;蒙羊羊&#39;), &#39;apikey&#39; => $apikey, &#39;mobile&#39; => $mobile);
// print_r ($data);
$json_data = tpl_send($ch,$data);
$array = json_decode($json_data,true);


echo $num;


// 发送语音验证码
// $data=array(&#39;code&#39;=>$num,&#39;apikey&#39;=>$apikey,&#39;mobile&#39;=>$mobile);
// $json_data =voice_send($ch,$data);
// $array = json_decode($json_data,true);
// echo $num;

// 发送语音通知，务必要报备好模板
/* 
模板： 课程#name#在#time#开始。 最终发送结果： 课程深度学习在14:00开始
 */

$tpl_id = &#39;xxxxxxx&#39;; //修改为你自己后台报备的模板id
$tpl_value = urlencode(&#39;#time#&#39;).&#39;=&#39;.urlencode($num).&#39;&&#39;.urlencode(&#39;#name#&#39;).&#39;=&#39;.urlencode(&#39;蒙羊羊&#39;);
$data=array(&#39;tpl_id&#39;=>$tpl_id,&#39;tpl_value&#39;=>$tpl_value,&#39;apikey&#39;=>$apikey,&#39;mobile&#39;=>$mobile);
$json_data = notify_send($ch,$data);
$array = json_decode($json_data,true);
// echo $num;


curl_close($ch);

/************************************************************************************/
//获得账户
function get_user($ch,$apikey){
curl_setopt ($ch, CURLOPT_URL, &#39;https://sms.yunpian.com/v2/user/get.json&#39;);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array(&#39;apikey&#39; => $apikey)));
$result = curl_exec($ch);
$error = curl_error($ch);
checkErr($result,$error);
return $result;
}
function send($ch,$data){
curl_setopt ($ch, CURLOPT_URL, &#39;https://sms.yunpian.com/v2/sms/single_send.json&#39;);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
$result = curl_exec($ch);
$error = curl_error($ch);
checkErr($result,$error);
return $result;
}
function tpl_send($ch,$data){
curl_setopt ($ch, CURLOPT_URL, 
&#39;https://sms.yunpian.com/v2/sms/tpl_single_send.json&#39;);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
$result = curl_exec($ch);
$error = curl_error($ch);
checkErr($result,$error);
return $result;
}
function voice_send($ch,$data){
curl_setopt ($ch, CURLOPT_URL, &#39;http://voice.yunpian.com/v2/voice/send.json&#39;);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
$result = curl_exec($ch);
$error = curl_error($ch);
checkErr($result,$error);
return $result;
}
function notify_send($ch,$data){
curl_setopt ($ch, CURLOPT_URL, &#39;https://voice.yunpian.com/v2/voice/tpl_notify.json&#39;);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
$result = curl_exec($ch);
$error = curl_error($ch);
checkErr($result,$error);
return $result;
}

function checkErr($result,$error) {
if($result === false)
{
echo &#39;Curl error: &#39; . $error;
}
else
{
//echo &#39;操作完成没有任何错误&#39;;
}
}

?>

 $.ajax({ 
  type: "post", 
  url: "post.php", //后台代码文件名 
  data: {
  mobile:$('#phone').val()//获取输入的手机号
  }, 
  // dataType: "json", 
  success:function(data){ 
  console.log(data);
  layer.msg('验证码发送成功，请注意查收！');
  localStorage.setItem('code', JSON.stringify(data))
  }, 
  error:function(err){ 
  console.log(err); 
  } 
});

var code = JSON.parse(localStorage.getItem('code'))
if($('#code').val() != code ){
  layer.msg('验证码输入错误');
  return false;
 }