-/// Process removing user assignments to the service
- if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
- $userstoremove = $existinguserselector->get_selected_users();
- if (!empty($userstoremove)) {
-
- foreach ($userstoremove as $removeuser) {
- cohort_remove_member($cohort->id, $removeuser->id);
- }
+ $potentialuserselector->invalidate_selected_users();
+ $existinguserselector->invalidate_selected_users();
+ }
+}