记忆、搜索中或Php高手进，

<?php
header("content-type:text/html;charset=utf-8");
=['id'];
=file_get_contents("http://wap.jokeji.cn/jokehtml/");
='/<div class=\"joketxt\">(.*)<\/div><div class=\"tags\">/Uis';
='href="../../JokeHtml/';='<title>(.*)<\/title>';
preg_match(,,;
preg_match(,,;
=preg_replace(,'href="joke.php?id=',[1]);
echo"[1]
";
?>记忆，我弄的笑话集的那个随机笑话，就那个中我想把那个下／上一篇的网址改了，怎么一直错误把他换成这样也不行
='/href=\"\.\.\/\.\.\/JokeHtml\//Uis';