PayPal passes all of the non sensitive payment variables back to your site in a POST.
By using something like https://wordpress.org/plugins/
You can read more about it here: https://developer.paypal.com/
PayPal passes all of the non sensitive payment variables back to your site in a POST.
By using something like https://wordpress.org/plugins/
You can read more about it here: https://developer.paypal.com/