php实现URL加密解密的方法

2021-03-27 17:32wdguohui PHP教程

这篇文章主要介绍了php实现URL加密解密的方法,结合实例形式分析了php针对URL字符串进行加密解密操作的相关技巧,需要的朋友可以参考下

本文实例讲述了php实现URL加密解密的方法。分享给大家供大家参考，具体如下：

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									<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, div, 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>'.print_r($_GET, true).'</pre>';

									function testGET()

									{

									   echo 'Function GET:<pre>'.print_r($_GET, true).'</pre>';

									}

									testGET();

									?>

									<br /><br /><br />

									<?

									for($i=1; $i<10; $i++)

									{

									  $s_url = query_encode('ac=index:logo& style="color: #007700">.$i);

									   echo sprintf('<a href="?%s">TEST: %s</a><br />', $s_url, $s_url);

									}

									?>

									</body>

									</html>