<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]] = $tem[1]; } } } rebuild_get(); echo 'get:<pre>'.print_r($_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>
以上就是php实现url加密解密的方法 的内容。