CommonDBTM::getItemEntity PHP Method

    static function getItemEntity($itemtype, $items_id)
    {
        if ($itemtype && ($item = getItemForItemtype($itemtype))) {
            if ($item->getFromDB($items_id)) {
                return $item->getEntityID();
            }
        }
        return -1;
    }

 /**
  * @since version 0.85
  *
  * @see CommonDBTM::processMassiveActionsForOneItemtype()
  **/
 static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item, array $ids)
 {
     switch ($ma->getAction()) {
         case 'duplicate':
             // For calendar duplicate in another entity
             if (method_exists($item, 'duplicate')) {
                 $input = $ma->getInput();
                 $options = array();
                 if ($item->isEntityAssign()) {
                     $options = array('entities_id' => $input['entities_id']);
                 }
                 foreach ($ids as $id) {
                     if ($item->getFromDB($id)) {
                         if (!$item->isEntityAssign() || $input['entities_id'] != $item->getEntityID()) {
                             if ($item->can(-1, CREATE, $options)) {
                                 if ($item->duplicate($options)) {
                                     $ma->itemDone($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(), $id, MassiveAction::ACTION_KO);
                             $ma->addMessage($item->getErrorMessage(ERROR_COMPAT));
                         }
                     } else {
                         $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                         $ma->addMessage($item->getErrorMessage(ERROR_NOT_FOUND));
                     }
                 }
             } else {
                 $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_KO);
             }
             return;
         case 'addholiday':
             // add an holiday with massive action
             $input = $ma->getInput();
             if ($input['holidays_id'] > 0) {
                 $holiday = new Holiday();
                 $calendar_holiday = new Calendar_Holiday();
                 $holiday->getFromDB($input['holidays_id']);
                 $entities = array($holiday->getEntityID() => $holiday->getEntityID());
                 if ($holiday->isRecursive()) {
                     $entities = getSonsOf("glpi_entities", $holiday->getEntityID());
                 }
                 foreach ($ids as $id) {
                     $entities_id = CommonDBTM::getItemEntity('Calendar', $id);
                     if (isset($entities[$entities_id])) {
                         $input = array('calendars_id' => $id, 'holidays_id' => $input['holidays_id']);
                         if ($calendar_holiday->add($input)) {
                             $ma->itemDone($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_KO);
                         $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
                     }
                 }
             } else {
                 $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_KO);
             }
             return;
     }
     parent::processMassiveActionsForOneItemtype($ma, $item, $ids);
 }