I want to create an OpenID login with PHP just like it can be found on Stack Overflow.
I know there are many questions for this, but mine is different.
If I understood it correctly, every OpenID is defined by a unique URL. But: If I hit the Google button on the Stack Overflow login page, one generic URL is inserted in the text field. Is this the direct URL to the OpenID server? And if it is, how do I have to pass the URL to this class?
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