My php redirect did not work. What did I do wrong?

Check this out:
http://www.yeastmoney.com/recommends/affiliatemarketing.php

Here is my php code:
<?php
header( 'Location: http://austin109.ichop.hop.clickbank.net/?tid=CHOP' ) ;
?>

What did I do wrong?

 

It should work.

Is it for hiding your affiliatelinks or what? if it is, then check out this guide on how to hide affiliatelinks

 

I host more than one domain name on the hosting. I have tried in the root and in a blog folder but it still does not work.