I'm writing a little PHP and am only a beginner but want to restrict use of the program to people who are logged in. Is there a simply call I can make to find out the username of a person?
To get the name of the current user, use COM_getDisplayName().
But to restrict access, you should really use Geeklog's permission system. You can easily create a new group, say, "Customer", and then check if the current user is in that group with
