接入微信公众账号API–验证的代码实现

<?php//1、将timestamp, nonce, token 按字典序排序二年级家长会家长发言稿$timestamp = $_get['timestamp'];$nonce = $_get['nonce'];$token =查成绩入口 'weixi什么是国五条n';   //你在公众平台上填写的token$signature = $_get['signature'];$arr = array( $timestamp, $nonce, $token );sort($arr);//2、将排序后的3个参数拼接后用sha1加密$tmpstr = implode('', $arr);$tmpstr = sha1($tmpstr);//3、将加密后的字符串与signature进行对比，判断该请求是否来自微信if($tmps惠特曼草叶集tr == $signature){    echo $_get['echostr'];    exit;春联上下联}