IBAN::MachineFormat PHP Method

    public function MachineFormat()
    {
        return iban_to_machine_format($this->iban);
    }

 function calc($land, $kontonummer, $bankleitzahl, $ibanField, $bicField)
 {
     if ($kontonummer == "" or $bankleitzahl == "") {
         Red::alertD("Bitte tragen Sie Bankleitzahl und Kontonummer ein");
     }
     $url = "http://www.iban.de/iban-berechnen.html";
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_HTTPHEADER, array('User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0', 'Referer: http://www.iban.de/iban-berechnen.html', 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8', 'X-Requested-With: XMLHttpRequest'));
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_POST, 1);
     curl_setopt($ch, CURLOPT_POSTFIELDS, "ibanrechnerCountry={$land}&ibanrechnerBlz={$bankleitzahl}&ibanrechnerKonto={$kontonummer}&ibanToolkit=ibanrechner");
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
     $result = curl_exec($ch);
     curl_close($ch);
     $I = new IBAN(trim(str_replace("Die IBAN lautet: ", "", strip_tags($result))));
     $iban = $I->MachineFormat();
     $url = "https://www.s-bausparkasse.at/portal/if_ajax.asp";
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_POST, 1);
     curl_setopt($ch, CURLOPT_POSTFIELDS, "mode=calc.ibanbic.listofbic&cuid=&alt_iban=&iban={$iban}&rechnername=IBAN%2FBIC-Rechner&currentpageid=87&berechnungsdaten=&autocalc=&getresult=&country={$land}&bank={$bankleitzahl}&account=" . str_pad($kontonummer, 10, "0", STR_PAD_LEFT));
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
     $result = curl_exec($ch);
     curl_close($ch);
     $ex = explode("&&&", $result);
     $ex[0] = str_replace("listofbic==", "", strip_tags(trim($ex[0])));
     $ex[1] = str_replace("iban==", "", trim($ex[1]));
     $T = new HTMLTable(3, "Gefundene Ergebnisse");
     $T->weight("light");
     $T->maxHeight(400);
     $T->useForSelection(false);
     $T->setColWidth(1, 20);
     $T->addHeaderRow(array("", "BIC", "IBAN"));
     foreach (explode("\n", $ex[0]) as $bic) {
         $B = new Button("Diese Kombination verwenden", "arrow_right", "iconic");
         $T->addRow(array($B, trim($bic), $ex[1]));
         $T->addRowEvent("click", "\$j('[name={$ibanField}]').val('{$ex['1']}'); \$j('[name={$bicField}]').val('" . trim($bic) . "'); " . OnEvent::closePopup("IBANCalc"));
     }
     echo $T;
     #echo "<pre>";
     #echo htmlentities(print_r($ex, true));
     #echo($result);
     #echo "</pre>";
 }