6. Thank You Page
Once you click the "Continue" button Paypal will redirect the
customer back to the merchant site ( this site ). Since i'm not using a secure
connection ( no https:// stuff ) there will be a warning message about you're being
redirected to unsecure site. You can ignore it and just click on "Continue"
and you will see the thankyou
page. Here is the screenshot :
The thankyou page can only be accessed when an order id is found in the session. The order id is put in the session variable after you click the "Confirm" button on the checkout confirmation page. If no order id is found then the customer is sent directly to the shop main page.
On this last step of checkout an email is sent to the shop admin notifying about the new order. This behaviour can be changed from the admin page on the shop configuration section.
Here is the code for the thankyou page
Source : success.php
<?php
require_once 'library/config.php';
// if no order id defined in the session
// redirect to main page
if (!isset($_SESSION['orderId'])) {
header('Location: ' . WEB_ROOT);
exit;
}
$pageTitle = 'Checkout Completed Successfully';
require_once 'include/header.php';
// send notification email
if ($shopConfig['sendOrderEmail'] == 'y') {
$subject = "[New Order] " . $_SESSION['orderId'];
$email = $shopConfig['email'];
$message = "You have a new order. Check the order detail here \n
http://" . $_SERVER['HTTP_HOST'] . WEB_ROOT .
'admin/order/index.php?view=detail&oid=' .
$_SESSION['orderId'] ;
mail($email, $subject, $message, "From: $email\r\nReturn-path: $email");
}
unset($_SESSION['orderId']);
?>
<p> </p><table width="500" border="0" align="center" cellpadding="1" cellspacing="0">
<tr>
<td align="left" valign="top" bgcolor="#333333"> <table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="center" bgcolor="#EEEEEE"> <p> </p>
<p>Thank you for shopping with us! We will send the purchased
item(s) immediately. To continue shopping please <a href="index.php">click
here</a></p>
<p> </p></td>
</tr>
</table></td>
</tr>
</table>
<br>
<br>
<?php
require_once 'include/footer.php';
?>
This is really an oversimplified thank you page. Normally an online
shop also provide a link where the customer can check her order
online or a notice that an order confirmation email has been sent
,etc. However i haven't made any of those so for now this is sufficient.
There's a "hidden step" between step 4 and 5. The customer
can't see it because it happen between Paypal server and the merchant
server. On this "hidden step" these things happen :
- Paypal send a POST request to merchat server to notify about the payment.
- Then our server send a reply POST to let Paypal know that we have receive
it.
- Paypal send a reply notifying the payment status whether it's verified
or not
We will take a deeper look at these on the next page
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