App\Http\Controllers\AccountController::doSection PHP Method

    public function doSection($section)
    {
        if ($section === ACCOUNT_LOCALIZATION) {
            return AccountController::saveLocalization();
        } elseif ($section == ACCOUNT_PAYMENTS) {
            return self::saveOnlinePayments();
        } elseif ($section === ACCOUNT_NOTIFICATIONS) {
            return AccountController::saveNotifications();
        } elseif ($section === ACCOUNT_EXPORT) {
            return AccountController::export();
        } elseif ($section === ACCOUNT_INVOICE_SETTINGS) {
            return AccountController::saveInvoiceSettings();
        } elseif ($section === ACCOUNT_EMAIL_SETTINGS) {
            return AccountController::saveEmailSettings();
        } elseif ($section === ACCOUNT_INVOICE_DESIGN) {
            return AccountController::saveInvoiceDesign();
        } elseif ($section === ACCOUNT_CUSTOMIZE_DESIGN) {
            return AccountController::saveCustomizeDesign();
        } elseif ($section === ACCOUNT_CLIENT_PORTAL) {
            return AccountController::saveClientPortal();
        } elseif ($section === ACCOUNT_TEMPLATES_AND_REMINDERS) {
            return AccountController::saveEmailTemplates();
        } elseif ($section === ACCOUNT_PRODUCTS) {
            return AccountController::saveProducts();
        } elseif ($section === ACCOUNT_TAX_RATES) {
            return AccountController::saveTaxRates();
        } elseif ($section === ACCOUNT_PAYMENT_TERMS) {
            return AccountController::savePaymetTerms();
        } elseif ($section === ACCOUNT_MANAGEMENT) {
            return AccountController::saveAccountManagement();
        }
    }