Have facebook urls and want to show the names using these urls

I have facebook urls of users in the form of

http://www.facebook.com/profile.php?id=

or http://www.facebook.com/vanityname

How do I ge开发者_如何转开发t the name of the user?

This information on the facebook graph api should get you started ... http://developers.facebook.com/docs/reference/api/