How to create an existing website (with a huge user base) as an openID provider?

Question

I would like to create an existing website with a huge user base as an openID provider. Although I find a ton of articles on this subject, I could see that all articles talk about pointing to an existing openID provider server such as Verisign, openID, etc. But I'm looking for them

• Setting Up Your Own OpenID Server
• How to enable an existing website as an openID provider?
• How can existing website users provide their existing identifier as openID?

Thanks in advance

Answer 1

OpenID . , , . :

• : "--". OpenID , . , , , , .
• : , . , . , . MyOpenID , .
• URL-, . , http://username.mysite.com. , URL-, .

, openid. . Developers , : :

• OpenID

, .

Answer 2

openID PHP-, :

Answer 3

. " OpenID" - OpenID Foundation. .

Answer 4

, , , . php, (, zend, symfony).