PayPal Instant Payment Notification - 2009 Guía de usuario descargar pdf (Pagina 20)

Implementing an IPN Listener

20 June, 2009 IPN Guide

6. If the verified response passes the checks, take action based on the value of the txn_type

variable if it exists; otherwise, take action based on the value of the reason_code

variable.

7. If the response is INVALID, save the message for further investigation.

A sample test listener using PHP

The following listener sends email to the address specified in the ipn_email variable, as in

https://

your_host/live_ipn_mail.php?ipn_email=email_address. You can use this

listener as a starting point for your own listener; rather than send email, your listener could

take action based on the type of transaction.

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PayPal Instant Payment Notification - 2009 Guía de usuario Pagina 20