public function onBannedIP($sender)
 {
     if ($this->ip_edt->getValue() != "") {
         WspBannedVisitors::setIpBanned($this->ip_edt->getValue(), $this->duration_edt->getValue());
         $this->array_wsp_banned_users = WspBannedVisitors::getBannedVisitors();
         $this->table_ban->setAjaxRefreshAllTable();
     }
 }