case 'raum':
        if (key_exists('update', $_POST)) {
            // alle aktiven updaten
            foreach ($_POST as $key => $value) {
                if (substr($key, 0, 4) == 'raum') {
                    $raum_id = substr($key, 4);
                    $r = new Raum();
                    $r->load($raum_id);
                    $r->setName($_POST[$key]);
                    $r->save();
                }
            }
        } else {
            // aus †bergabevariablen zu deaktivierende klasse_id bestimmen
            foreach ($_POST as $key => $value) {
                if (substr($key, 0, 7) === 'deaktiv') {
                    $raum_id = substr($key, 7);
                }
            }
            $r = new Raum();
            $r->load($raum_id);
            $r->setAktiv("FALSE");
            $r->save();
        }
        $action = 'show';
        $what = 'raum';
        include 'controller/show.php';
        break;
    default:
        break;
}
    case 'raum':
        if (key_exists('update', $_POST)) {
            // alle aktiven updaten
            foreach ($_POST as $key => $value) {
                if (substr($key, 0, 4) == 'raum') {
                    $raum_id = substr($key, 4);
                    $r = new Raum();
                    $r->load($raum_id);
                    $r->setName($_POST[$key]);
                    $r->save();
                }
            }
        } else {
            // aus †bergabevariablen zu deaktivierende klasse_id bestimmen
            foreach ($_POST as $key => $value) {
                if (substr($key, 0, 7) === 'deaktiv') {
                    $raum_id = substr($key, 7);
                }
            }
            $f = new Raum();
            $f->load($raum_id);
            $f->setAktiv("TRUE");
            $f->save();
        }
        $action = 'show';
        $what = 'raum';
        include 'controller/show.php';
        break;
    default:
        break;
}