switch ($sub) {
    case 'com':
        switch ($act) {
            case 'close_fil':
                $actions->close_fil();
                break;
        }
        $actions->show_com_form();
        break;
    case 'rdv_plan':
        switch ($act) {
            case 'close_rdv':
                $actions->close_rdv();
                break;
        }
        $actions->show_planning_form();
        break;
    case 'rdv_val':
        switch ($act) {
            case 'val_rdv':
                $actions->valider_rdv();
                break;
        }
        $actions->show_rdv_val_form();
        break;
    default:
        switch ($act) {
            case 'add_action':
                $actions->show_modif_form();
                break;
            case 'save_action':