重定向和htaccess中的php

Question

I am facing a weird issue when ugrading to a newer php version (now I have 5.5.9)

my old .htaccess tells me:

Options +FollowSymlinks
RewriteEngine on
RewriteCond %{HTTP_HOST} ^example.com [NC]
RewriteRule ^(.*)$  http://www.example.com/$1 [R=301,L]

direct.php would contain eg:

<?php 
if ($id == "") {$link = "http://www.example.com";}
if ($id == "10") {$link = "http://google.com";} 
header("Location: $link"); 
exit;
?>

a link like this:

http://www.example.com/direct.php?id=10

should direct me to google.com but it wont work anymore and just directs me to www.example.com again, before it worked fine. I assume something changed in the variable passing through at php or is it just my htaccess code?!

Answer 1

Seems register_globals is the issue. http://php.net/manual/en/security.globals.php

Add following line at the top:

$id = $_GET['id'];

Answer 2

在使用$ id之前添加此代码： $id = $_GET['id']