Group::getTypeName PHP Method

    static function getTypeName($nb = 0)
    {
        return _n('Group', 'Groups', $nb);
    }

 static function pdfForGroup(PluginPdfSimplePDF $pdf, Group $group, $tree)
 {
     global $DB, $CFG_GLPI;
     $used = array();
     $ids = array();
     // Retrieve member list
     $entityrestrict = Group_User::getDataForGroup($group, $used, $ids, '', $tree);
     $title = "<b>" . sprintf(__('%1$s (%2$s)'), _n('User', 'Users', 2) . "</b>", __('D=Dynamic'));
     $number = count($used);
     if ($number > $_SESSION['glpilist_limit']) {
         $title = sprintf(__('%1$s (%2$s)'), $title, $_SESSION['glpilist_limit'] . "/" . $number);
     } else {
         $title = sprintf(__('%1$s (%2$s)'), $title, $number);
     }
     $pdf->setColumnsSize(100);
     $pdf->displayTitle($title);
     if ($number) {
         $user = new User();
         $group = new Group();
         if ($tree) {
             $pdf->setColumnsSize(35, 45, 10, 10);
             $pdf->displayTitle(User::getTypeName(1), Group::getTypeName(1), __('Manager'), __('Delegatee'));
         } else {
             $pdf->setColumnsSize(60, 20, 20);
             $pdf->displayTitle(User::getTypeName(1), __('Manager'), __('Delegatee'));
         }
         for ($i = 0; $i < $number && $i < $_SESSION['glpilist_limit']; $i++) {
             $data = $used[$i];
             $name = Html::clean(getUserName($data["id"]));
             if ($data["is_dynamic"]) {
                 $name = sprintf(__('%1$s (%2$s)'), $name, '<b>' . __('D') . '</b>');
             }
             if ($tree) {
                 $group->getFromDB($data["groups_id"]);
                 $pdf->displayLine($name, $group->getName(), Dropdown::getYesNo($data['is_manager']), Dropdown::getYesNo($data['is_userdelegate']));
             } else {
                 $pdf->displayLine($name, Dropdown::getYesNo($data['is_manager']), Dropdown::getYesNo($data['is_userdelegate']));
             }
         }
     } else {
         $pdf->setColumnsAlign('center');
         $pdf->displayLine(__('No item found'));
     }
     $pdf->displaySpace();
 }