*
* @result boolean hook value
*/
- function onEndGroupSave($group)
+ function onEndGroupSave(User_group $group)
{
$gps = new Group_privacy_settings();
foreach (array_unique($match[1]) as $nickname) {
$group = User_group::getForNickname($nickname, $profile);
- if (empty($group)) {
+ if (!$group instanceof User_group) {
continue;
}