PayPal: pass the email address to the return/“thank you” page
问题 I've successfully created a small "pay now" button with PayPal IPN and a listener. The button itself is wizard-generated. After the payment, the user is redirected to a return/"thank you" page on my host. Everything works as expected, but I need to receive the customer e-mail on the "thank you" page too: how can I do that? 回答1: You can get the user email using the Payment Data Transfer (PDT), which sends a GET variable named tx to your redirect url. The tx variable contains a transaction