In the store_front.php from the presentation folder, add the highlighted code to the StoreFront
class as shown:
// Page title
public $mPageTitle;
// PayPal continue shopping link
public $mPayPalContinueShoppingLink;
// Class constructor
public function __construct()
{
$this->mLinkToIndex = Link::ToIndex();
}
public function init()
{
// Create "Continue Shopping" link for the PayPal shopping cart
if (!isset ($_GET['AddProduct']))
{
/* Store the current request needed for the paypal
continue shopping functionality */
$_SESSION['paypal_continue_shopping'] =
Link::Build(str_replace(VIRTUAL_LOCATION, '',
$_SERVER['REQUEST_URI']));
CHAPTER 9 ?– RECEIVING PAYMENTS USING PAYPAL 260
$this->mPayPalContinueShoppingLink =
$_SESSION['paypal_continue_shopping'];
}
// If Add to Cart was clicked, prepare PayPal variables
else
{
// Clean output buffer
ob_clean();
$product_id = 0;
// Get the product ID to be added to cart
if (isset ($_GET['AddProduct']))
$product_id = (int)$_GET['AddProduct'];
else
trigger_error('AddProduct not set');
$selected_attribute_groups = array ();
$selected_attribute_values = array ();
// Get selected product attributes if any
foreach ($_POST as $key => $value)
{
// If there are fields starting with "attr_" in the POST array
if (substr($key, 0, 5) == 'attr_')
{
// Get the selected attribute name and value
$selected_attribute_groups[] = substr($key, strlen('attr_'));
$selected_attribute_values[] = $_POST[$key];
}
}
// Get product info
$product = Catalog::GetProductDetails($product_id);
// Build the PayPal url to add the product to cart
$paypal_url = PAYPAL_URL .
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