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Are you able to send php variables to a application in a tab (in facebook)?
I have built a system which sends a wall post to a friend, which includes a link with a php variable in it. This variable needs to be processed by the app, but I cant work out how to (or if I can) do this.
Yes, you can pass URL Parameters to an iFrame Tab App.
Pass the parameter: http://www.facebook.com/MyPage?sk=MyApp&app_data=any_string_here
Receive the parameter: $app_data = $signed_request[“app_data”];
See more:
http://forum.developers.facebook.net/viewtopic.php?id=92661