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I want to know up front whether I will be able to write on a wall of a user’s friend using the Php library.
Currently, I check to see if the Php call throws an exception (due to the user disabling wall, etc) to know if it succeeded but I was wondering if there is anyway to check up front without trying to post on the wall?
Here’s how
https://graph.facebook.com/fql?q=SELECT can_post FROM user WHERE uid=FriendId&access_token=ValidUserAccessTokenSee: http://developers.facebook.com/docs/reference/fql/user/ for more information