<?php //1,将timestamp,nonce,token按照字典排序 $timestamp = $_GET['timestamp']; $nonce = $_GET['nonce']; $token = 'weixin'; $signature = $_GET['signature']; $array = array($timestamp,$nonce,$token); sort($array); //2,将排序后的三个参数进行拼接后用sha1加密 $tmpstr = implode('',$array);//join $tmpstr = sha1($tmpstr); //3,将机密后的字符串与signature进行对比,判断请求是否来自微信 if($tmpstr == $signature){ echo $_GET['echostr']; exit; }
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转载自blog.csdn.net/weixin_36171533/article/details/80474158
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