Fetch profiles from OpenID / Facebook / Twitter /Google Accounts

Im developing kind of authentication and profiling system and i would like to开发者_运维技巧 provide a service users to migrate their profiles from thier OpenID , Facebook , Twitter and Google accounts

Is it possible to fetch data from these accounts such as name , DOB , Location and how to fetch using PHP ?

You have to write an applications in this services using theirs API.

http://developers.facebook.com/docs/

https://dev.twitter.com/docs

http://code.google.com/intl/ru-RU/apis/accounts/