PHP Curl Paypal Sandbox

Question

Is it possible to use CURL and Paypal\'s Developer Sandbox? When I try this code it says in print_r($lines); that I need to login to the Sandbox, how can I make it send my

Answer 1

Maybe not exactly what you want as an answer, but I just keep recommending this script if you want to use PayPal from PHP:

http://www.micahcarrick.com/04-19-2005/php-paypal-ipn-integration-class.html

Very clean script, which makes it easy to understand the parts of a transaction and edit things.

It also comes with examples provided on how to use the script with PayPal's sandbox. If I remember correctly, you just have to change one variable (and you obviously need an account for the sandbox).