Is there any good (eazy, small) sample of working with google openid? (php)
Is there any good (eazy to understend, small - not lotof code lines) sample of working with google openid? (php) - 

What I need is to see how to get users name from google openId ; 

a good way of how to integrate openid into my current users DB (tooday in DB I have table user with name and pass)?

and how to get any Idea about if useris currently loged in from this computer with openId?
Is there any good (eazy, small) sample of working with google openid? (php)
===

Is there any good (eazy to understend, small - not lotof code lines) sample of working with google openid? (php) - 

What I need is to see how to get users name from google openId ; 

a good way of how to integrate openid into my current users DB (tooday in DB I have table user with name and pass)?

and how to get any Idea about if useris currently loged in from this computer with openId?