[Genghis Khan]

So this is pretty basic nothing to advanced. This will work for usergroups and user ids.

Usergroup:

PHP Code:

if(!in_array($mybb->user['usergroup'], array(3,4,6,8,9))) { error_no_permission();}

UID:

PHP Code:

if(!in_array($mybb->user['uid'], array(3,4,6,8,9))) { error_no_permission(); }