php URL编码解码函数代码

 

<?php 
$url = "www.liuan.mobi";
echo urlencode($url); //输出编码后的字符串
?>

 

<?php 
$url = "www.liuan.mobi";
$newurl = urlencode($url); //首先对$url进行编码
echo urldecode($newurl); //输出解码后的字符串
?>