static function countForItem(CommonDBTM $item)
{
$restrict = "`glpi_items_projects`.`projects_id` = `glpi_projects`.`id`\n AND `glpi_items_projects`.`items_id` = '" . $item->getField('id') . "'\n AND `glpi_items_projects`.`itemtype` = '" . $item->getType() . "'" . getEntitiesRestrictRequest(" AND ", "glpi_projects", '', '', true);
$nb = countElementsInTable(array('glpi_items_projects', 'glpi_projects'), $restrict);
return $nb;
}