PHP Login with Facebook, Twitter etc.

I want my users to be able to login to my page at least via Facebook, Twitter, Google, Yahoo and OpenID. Is there already something out there which does this?

From stackoverflow Hedge

• http://www.janrain.com/ http://www.janrain.com/products/engage/get-janrain-engage

  Hedge : I'm looking for an easy to implement way. Therefore janrain looks like the best option.
  From Stewie

• Is not what you are looking for, but with OpenInviter, you can know if the user insert a valid login username / password

  From nacho3d

• A google search of OpenID API and Facebook Login API should cover two of those, though i dont know how well they will all interact with eachother

  http://stackoverflow.com/questions/3237262/php-openid-library-that-allows-facebook-openid-twitter-etc

  Does that help?

  Ascherer : dont randomly down vote for no reason

  Hedge : wasn't me. I actually upvoted it again so you get at least 0.
  From Ascherer