$PayPal = new angelleye\PayPal\PayPal($PayPalConfig);
/**
* Now we pass the PayPal token that we saved to a session variable
* in the SetExpressCheckout.php file into the GetExpressCheckoutDetails
* request.
*/
$PayPalResult = $PayPal->GetExpressCheckoutDetails($_SESSION['paypal_token']);
/**
* Now we'll check for any errors returned by PayPal, and if we get an error,
* we'll save the error details to a session and redirect the user to an
* error page to display it accordingly.
*
* If the call is successful, we'll save some data we might want to use
* later into session variables.
*/
if ($PayPal->APICallSuccessful($PayPalResult['ACK'])) {
/**
* Here we'll pull out data from the PayPal response.
* Refer to the PayPal API Reference for all of the variables available
* in $PayPalResult['variablename']
*
* https://developer.paypal.com/docs/classic/api/merchant/GetExpressCheckoutDetails_API_Operation_NVP/
*
* Again, Express Checkout allows for parallel payments, so what we're doing here
* is usually the library to parse out the individual payments using the GetPayments()
* method so that we can easily access the data.
*
* We only have a single payment here, which will be the case with most checkouts,
* but we will still loop through the $Payments array returned by the library
* to grab our data accordingly.
*/