simple php help please

[Fucksakes]

merch_id=10174&aff_id=#######

what is the code I add to php page that will add whatever is typed in #######

I feel so burnt.. that was the only php i knew.

[woj]

<?=$_GET['aff_id'];?> FTW

[Fucksakes]

thanks a ton

[SpyCam]

wot is dat in your avatar?