Is user subscribed to my app?

Hi all,

I'm working on a facebook app and I know how to add a subscribe button but what I need to know is how do I check (in code) if
the user is acually subscribed to me application?

Hope someone can help

thank
error77Asked:
Who is Participating?
 
Ray PaseurConnect With a Mentor Commented:
I'm not conversant in Facebook Apps, but the general design pattern is to require some kind of registration and login authentication.  Then you can cookie the browser to remember the client for as long as you want.  Your code can "remember" a returning client from the cookie, and can re-authenticate whenever you need to make an important change to the data model (or use money) by just asking for the password.

Some examples here:
http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/A_2391-PHP-login-logout-and-easy-access-control.html

HTH.  Leave the Q open a little while and maybe some others can weigh in with FB-specific suggestions,
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error77Author Commented:
Interesting Article.

I was really looking for something Facebook API specific if possible though...
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