Testing

15

Your PayPal Button

Testing Tips

You might find the following testing tips useful when testing your buttons.

Testing Tip 1

PayPal recommends starting with one of PayPal's code samples available at 

https://www.paypal.com/ipn

 under the Code Samples section. There are code samples for the 

following development environments.

ASP/VBScript

ColdFusion

ava/JSP

PERL

PHP

Testing Tip 2

In your Website Payments button HTML code, add or modify the return and rm variables 

as follows, replacing the URL with the URL for your website:

Then, with your buyer account, click the Website Payments button and complete the 

transaction. Once you get to the PayPal Payment Complete page, you can use your browser s 

View Source function to view the values of the posted IPN variables at the bottom of the code.

Testing Tip 3

You can put debugging print statements into your IPN script. PayPal recommends creating a 

debugging mode of your script that you can turn on and off by adding or removing variable 

comments. Set the return variable in your Website Payments button HTML code to point 

to your IPN URL. When you complete the payment, the output of your script's print 

statements will be sent to your browser.

Website Payments Standard Checkout Integration Guide

August, 2005

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