PHP - Adding info to the setAttribute

Hi Guys,
I am trying to add a url to the beginning of this setAttribute
$media2->setAttribute('url', $_POST['content']);

Right now it include a portion but I just need to add
http://mediasrv3.blahblah.net/arch/
before the post content

Any Ideas?

Thanks,
Randy

Like this?

media2->setAttribute('url', 'http://mediasrv3.blahblah.net/arch/' . $_POST['content']);

Musicman