Source code for /checkout.php

Berikut Contoh Scriptnya

<?php
require_once ‘library/config.php’;
require_once ‘library/cart-functions.php’;
require_once ‘library/checkout-functions.php’;
if (isCartEmpty()) {
// the shopping cart is still empty
// so checkout is not allowed
header(‘Location: cart.php’);
} else if (isset($_GET['step']) && (int)$_GET['step'] > 0 && (int)$_GET['step'] <= 3) {
$step = (int)$_GET['step'];
$includeFile = ”;
if ($step == 1) {
$includeFile = ‘shippingAndPaymentInfo.php’;
$pageTitle   = ‘Checkout – Step 1 of 2′;
} else if ($step == 2) {
$includeFile = ‘checkoutConfirmation.php’;
$pageTitle   = ‘Checkout – Step 2 of 2′;
} else if ($step == 3) {
$orderId     = saveOrder();
$orderAmount = getOrderAmount($orderId);
$_SESSION['orderId'] = $orderId;
// our next action depends on the payment method
// if the payment method is COD then show the
// success page but when paypal is selected
// send the order details to paypal
if ($_POST['hidPaymentMethod'] == ‘cod’) {
header(‘Location: success.php’);
exit;
} else {
$includeFile = ‘paypal/payment.php’;
}
}
} else {
// missing or invalid step number, just redirect
header(‘Location: index.php’);
}
require_once ‘include/header.php’;
?>
<script language=”JavaScript” type=”text/javascript” src=”library/checkout.js”></script>
<?php
require_once “include/$includeFile”;
require_once ‘include/footer.php’;
?>