problem with input cleaner

[ragtek]

i have this in my code:

PHP Code:

$vbulletin->input->clean_gpc('r','addon',TYPE_UINT); 
die($vbulettin->GPC['addon']); 


and it's not working

this is also not working:

PHP Code:

$id = $vbulletin->input->clean_gpc('r', 'addon', TYPE_UINT); 
die($id); 


this is working

PHP Code:


die($_REQUEST['addon']); 


can somebody say what i'm making false?

thx daniel