Home > Article > Backend Development > How to implement URL encryption and decryption in php
The example in this article describes the method of implementing URL encryption and decryption in PHP. Share it with everyone for your reference, the details are as follows:
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN"> <head> <meta http-equiv="content-type" content="text/html; charset=gb2312" /> <meta http-equiv="content-language" content="zh-CN" /> <meta http-equiv="pragma" content="no-cache" /> <meta http-equiv="expires" content="0" /> <meta http-equiv="MSThemeCompatible" content="Yes" /> <meta http-equiv="imagetoolbar" content="no" /> <meta http-equiv="widow-target" content="_top" /> <meta name="robots" content="index, follow" /> <meta name="author" content="3945, [email]ljm77@km169.net[/email]" /> <meta name="keywords" content="" /> <meta name="description" content="" /> <meta name="copyright" content="Copyright 3945 All Rights Reserved" /> <title>无标题文档</title> <style type="text/css"> <!-- a, a:link{text-decoration: none; color:#000000; font-size:9pt;} a:visited{text-decoration: none; color:#000000;} a:hover{text-decoration: underline; color:red;} body, td, p, li, p, select{font-size:9pt; font-family:"宋体";} --> </style> </head> <body> <?php function query_encode($sQuery) {//加密链接 if(strlen($sQuery)==0) { return ''; } else { $s_tem = preg_replace("/&/i", '&', $sQuery); $s_tem = preg_replace("/&/i", '&', $s_tem); $a_tem = explode('&', $s_tem); shuffle($a_tem); $s_tem = implode('&', $a_tem); $s_tem = rawurlencode($s_tem); $s_tem = base64_encode($s_tem); $s_tem = strrev($s_tem); return $s_tem; } } function query_decode($sEncode) {//解密链接 if(strlen($sEncode)==0) { return ''; } else { $s_tem = strrev($sEncode); $s_tem = base64_decode($s_tem); $s_tem = rawurldecode($s_tem); return $s_tem; } } function rebuild_GET() {//重写$_GET全局变量 $_GET = array(); $s_query = $_SERVER['QUERY_STRING']; if(strlen($s_query)==0) { return; } else { $s_tem = query_decode($s_query); $a_tem = explode('&', $s_tem); foreach($a_tem as $val) { $tem = explode('=', $val); $_GET[$tem[0]] = $tem[1]; } } } rebuild_GET(); echo 'GET:<pre class="brush:php;toolbar:false">'.print_r($_GET, true).''; function testGET() { echo 'Function GET:
'.print_r($_GET, true).''; } testGET(); ?>