Group::processMassiveActionsForOneItemtype PHP Method

    static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item, array $ids)
    {
        switch ($ma->getAction()) {
            case 'changegroup':
                $input = $ma->getInput();
                if (isset($input["field"]) && isset($input['groups_id'])) {
                    foreach ($ids as $id) {
                        if ($item->can($id, UPDATE)) {
                            if ($item->update(array('id' => $id, $input["field"] => $input["groups_id"]))) {
                                $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
                            } else {
                                $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                                $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
                            }
                        } else {
                            $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                            $ma->addMessage($item->getErrorMessage(ERROR_RIGHT));
                        }
                    }
                } else {
                    $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_KO);
                    $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
                }
                return;
        }
        parent::processMassiveActionsForOneItemtype($ma, $baseitem, $ids);
    }