How do I implement site authentication using gmail, yahoo or facebook IDs (not OpenID login)?
PS: Using PHP.
How do I implement site authentication using gmail, yahoo or facebook IDs (not OpenID login)?
PS: Using PHP.
Google offers two APIs for login: http://code.google.com/apis/accounts/docs/AuthSub.html http://code.google.com/apis/accounts/docs/OAuth.html
Yahoo also offers another one: http://developer.yahoo.com/auth/