Checking if paypal payment was successful
问题 I have downloaded sample code from paypal to allow me to use parallel payments via their sandbox accounts. When I run parallel.php, I get redirected to paypal's sandbox login page. How am I supposed to know "server side" that the payment has been made successfully, so I can update my database records? 回答1: I believe you have to work with PayPals IPN system. This will basically send a confirmation to your server that tells you it has gone through. https://www.paypal.com/ipn 回答2: Paypal lets