CheckoutPage_Controller::PaymentForm PHP Method

    public function PaymentForm()
    {
        if (!(bool) $this->Cart()) {
            return false;
        }
        $config = new CheckoutComponentConfig(ShoppingCart::curr(), false);
        $config->addComponent(OnsitePaymentCheckoutComponent::create());
        $form = PaymentForm::create($this, "PaymentForm", $config);
        $form->setActions(FieldList::create(FormAction::create("submitpayment", _t('CheckoutPage.SubmitPayment', "Submit Payment"))));
        $form->setFailureLink($this->Link());
        $this->extend('updatePaymentForm', $form);
        return $form;
    }