How to solve the problem of php weixin configuration failure

php Weixin configuration failure solution: 1. Create a PHP sample file; 2. Use the "function checkWeixin() {...}" method to verify whether the parameters come from WeChat.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

How to solve the problem of php weixin configuration failure?

php WeChat public account development verification token prompts configuration failure

<?php
// //最简单的验证方式
// echo $_GET["echostr"];
 
//验证是否来自于微信
function checkWeixin() {
//微信会发送4个参数到我们的服务器后台 签名 时间戳 随机字符串 随机数
 
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$echostr = $_GET["echostr"];
$token = "zchare861230";
 
// 1、将token、timestamp、nonce三个参数进行字典序排序
$tmpArr = array($nonce,$token,$timestamp);
sort($tmpArr,SORT_STRING);
// 2、将三个参数字符串拼接成一个字符串进行sha1加密
$str = implode($tmpArr);
$sign = sha1($str);
// 3、开发者获得加密后的字符串可与signature对比，标识该请求来源于微信
if ($sign == $signature) {
echo $echostr;
}
}
checkWeixin();
?>

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