83             static fn($group) => $auth->cleanGroup($group),
95      * @param string $group group name
99     protected function addGroupUsers($group, $users)  argument
104         $group = $auth->cleanGroup($group);
110         if ($group && $users) {
111             $this->virtualGroups->addUsersToGroup($group, $users);
136      * @param string $group group name
139     protected function deleteGroup($group)  argument
144         $group = $auth->cleanGroup($group);
146         if ($group) {
147             $this->virtualGroups->removeGroup($group);
165             static fn($group) => $auth->cleanGroup($group),
177      * @param string $group group name
181     protected function editGroupUsers($group, $users)  argument
186         $group = $auth->cleanGroup($group);
192         if ($group && $users) {
193             $this->virtualGroups->setGroupUsers($group, $users);
312         foreach ($this->virtualGroups->getGroupStructure() as $group => $users) {
314             echo '  <td>' . hsc($group) . '</td>';
317             echo $this->buttonDeleteGroup($group);
322                     'loadgroup' => $group
433     protected function buttonDeleteGroup($group)  argument
439         $form->setHiddenField('group', $group);