この記事では、主に PHP で URL の暗号化と復号化を実装する方法を紹介し、URL 文字列の PHP 暗号化と復号化操作の関連テクニックを例の形式で分析します。
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<?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(); ?>