Item_Ticket::post_purgeItem PHP Method

    function post_purgeItem()
    {
        $ticket = new Ticket();
        $input = array('id' => $this->fields['tickets_id'], 'date_mod' => $_SESSION["glpi_currenttime"], '_donotadddocs' => true);
        if (!isset($this->input['_do_notif']) || $this->input['_do_notif']) {
            $input['_forcenotif'] = true;
        }
        $ticket->update($input);
        parent::post_purgeItem();
    }