[Detective]

Other function names:

* get_usermeta => bb_get_usermeta (the same applies to delete usermeta)

* add_option doesn’t exists

* update_option => bb_update_option

* $current_user->has_cap => bb_current_user_has_cap (or something like that, check the files in bb-includes).

* is_user_loggedin => bb_is_user_logged_in

And others …