php url编码解码函数入门实例

<?php
$url = "http://www.jb200.com";
echo urlencode($url); //输出编码后的字符串
?>

<?php
$url = "http://www.jb200.com";
$newurl = urlencode($url); //首先对$url进行编码
echo urldecode($newurl); //输出解码后的字符串
?>