Use PHP to detect which htaccess user signed in?

Question

I\'m constructing an upload so people I know can send me files securely, and with ease. But I want to design it just so, that when one of my friends sign in with their

Answer 1

Not to open up an old task, but running PHP 5 with Apache 2.2 and this is the variable that works for me:

$_SERVER['USER'];