WeChat applet message push php server verification

Settings page ("Settings" >> "Development Settings"):

1. ## Settings Server domain name

   For example: https://hosts.com
   Note the difference between http and https protocols.
   

2. Set up message push

   2.1 Add server to your server
   Interfacetest.php, the content of the test.php interface is mainly to verify whether the message is through token Sent from WeChat, the code refers to the official example:
   define("TOKEN","xxxxx");/ The token filled in in the background$wechatObj = <br>new<a href="http://www.php.cn/wiki/165.html" target="_blank"> wechatAPI(); </a>$wechatObj->isValid();<br><br>class<a href="http://www.php.cn/wiki/164.html" target="_blank"> wechatAPI</a>{<br>public function isValid()//Verify the WeChat interface, if it is confirmed to be WeChat, return it The <br>echo<a href="http://www.php.cn/wiki/1343.html" target="_blank">str parameter</a>{<br> $echoStr = $_GET["echostr"];<br> <br>if<a href="http://www.php.cn/wiki/109.html" target="_blank"> ($this->checkSignature()) {</a> echo $echoStr;<br> exit;<br> }<br>}<br>private function checkSignature() //Official verification <br> function<a href="http://www.php.cn/wiki/145.html" target="_blank"></a>{<br> $signature = $ _GET["signature"];<br> $<br>time<a href="http://www.php.cn/wiki/1268.html" target="_blank">stamp = $_GET["timestamp"];</a> $nonce = $_GET["nonce"];<br> $token = TOKEN; <br> $tmpArr = <br>array<a href="http://www.php.cn/wiki/58.html" target="_blank">($token, $timestamp, $nonce);</a> <br>sort<a href="http://www.php.cn/wiki/1087.html" target="_blank">($tmpArr, SORT_</a>STRING<a href="http://www.php.cn/wiki/57.html" target="_blank">);</a> $tmpStr = <br>implode<a href="http://www.php.cn/wiki/1336.html" target="_blank">( $tmpArr );</a> $tmpStr = <br>sha1<a href="http://www.php.cn/wiki/1366.html" target="_blank">( $tmpStr );</a> if( $tmpStr == $signature ){<br> <br>return<a href="http://www.php.cn/wiki/135.html" target="_blank"> true;</a> }<br>else<a href="http://www.php.cn/wiki/111.html" target="_blank">{</a> return false;<br> }<br>}<br>};<br>2.2 Setup Mini Program Background message push related information
   URL (server address): https://hosts.com/xx/test.php
   Token: Any
   string that conforms to the specification, as defined above" xxxxx"EncodingAES
   Key(message encryption key): (randomly generated, just save it yourself, this is only used for encryption and decryption)Message encryption method: select plaintext for the time being, don’t think about it Encryption and decryption issues.
   Data format: Select according to needs.
   Submit, if there are no problems, it will be successful. (If there is a problem you can use fake data to pass the browser test)
   

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