<?php
$post = $_POST;
$sign = $_POST['sign'];
unset($post['sign']);
$appsecret = 'ssssssssssss';//appsecret
$queryarr = ['phone'=>$post['phone'], 'licenseplate'=>$post['licenseplate'], 'outorderno'=>$post['outorderno']];
if(checkSign($queryarr, $appsecret, $sign))
{
$status = trim($_POST['status']);
$orderno = trim($_POST['orderno']);
$status = trim($_POST['status']);
$handlestatus = trim($_POST['handlestatus']);
$datastatus = trim($_POST['datastatus']);
echo 'success';
exit();
}
/**
* 验证签名
*
*/
function checkSign($queryarr, $appsecret, $signature)
{
$str = makeSign($queryarr, $appsecret);
if($str == strtolower($signature)) return true;
else return false;
}
/**
* 生成签名
*
*/
function makeSign($queryarr, $appsecret)
{
ksort($queryarr, SORT_STRING);
$str = implode($queryarr);
$str .= $appsecret;
//exit($str);
$str = md5($str);
return $str;
} 

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