How to add OpenID to a php site?
I absolutely love StackOverflow's usage of OpenID for registration. How would I go about adding this to my site? It is PHP based. I went to openid.net and looked at the libraries there, but could find little in the way of documentation or examp开发者_如何转开发les.
This tutorial was helpful for a previous project I worked on using PHP and OpenID. It has an example app.
http://devzone.zend.com/article/3581
(source: zend.com)
Documentation and examples.
OpenID is great, but have one big disadvantage. Let's imagine that I'm having Google account and Yahoo account. I will login using Google and then I will try to login using Yahoo. And it will be different accounts; it's really difficult to remember what openID provider I was using for registration... So, be careful with OpenID on entertainment websites, but it is still ok for developers websites.
Check OpenId class from Zend Framework.
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