/**
  * Delete locks fields and get from lib value from last inventory
  *
  * @param $item object Computer object
  *
  * @return nothing
  *
  **/
 static function deleteLock($item)
 {
     if ($item->fields['items_id'] == 0) {
         return;
     }
     $pfLock = new PluginFusioninventoryLock();
     $itemtype = getItemTypeForTable($item->fields['tablename']);
     $items_id = $item->fields['items_id'];
     $a_fieldList = array();
     if ($item->fields['tablefields'] == $item->input['tablefields']) {
         $a_fieldList = importArrayFromDB($item->fields['tablefields']);
     } else {
         $a_fieldListTemp = importArrayFromDB($item->fields['tablefields']);
         $a_inputList = importArrayFromDB($item->input['tablefields']);
         $a_diff = array_diff($a_fieldListTemp, $a_inputList);
         $a_fieldList = array();
         foreach ($a_diff as $value) {
             if (in_array($value, $a_fieldListTemp)) {
                 $a_fieldList[] = $value;
             }
         }
     }
     $item_device = new $itemtype();
     $item_device->getFromDB($items_id);
     $a_serialized = $pfLock->getSerialized_InventoryArray($itemtype, $items_id);
     foreach ($a_serialized as $key => $value) {
         if (!in_array($key, $a_fieldList)) {
             $item_device->fields[$key] = $value;
         }
     }
     $exclude = $pfLock->excludeFields();
     foreach ($exclude as $key) {
         if (isset($item_device->fields[$key]) && $key != 'id') {
             unset($item_device->fields[$key]);
         }
     }
     $_SESSION['glpi_fusionionventory_nolock'] = TRUE;
     $item_device->update($item_device->fields);
     unset($_SESSION['glpi_fusionionventory_nolock']);
 }