case "members":
$members = array();
foreach (Groups::get_by_id($_REQUEST["group"])->get_users() as $user) {
$members[$user->get_id()] = $user->get_username();
}
for ($i == 1; $i <= 4; $i++) {
unset($members[$i]);
}
// don't include system, root, nobody, guest
echo json_encode($members);
break;
case "add-user":
$group = Groups::get_by_id($_REQUEST["group"]);
$user = Users::get_by_username($_REQUEST["user"]);
if ($user) {
$group->add_user($user);
echo json_encode(array($user->get_id() => $user->get_username()));
} else {
echo json_encode(array(0, ""));
}
break;
case "del-user":
$group = Groups::get_by_id($_REQUEST["group"]);
$user = Users::get_by_id($_REQUEST["user"]);
if ($user) {
$group->remove_user($user);
echo json_encode(array($user->get_id() => $user->get_username()));
} else {
echo json_encode(array(0, ""));
}
}