Dynamic Paypal button encryption

Question

I\'m designing a Order Site using PHP & Mysql. In the final stage the user is given Paypal buttons to pay for the Orders he has made. So, the Item Name, Value are variab

Answer 1

I developed a PHP integration toolkit with PayPal Website Payments Standard.

All the issues you mentioned here are handled inside by helper classes. Some basic configuration are provided for easy setup. For example, all encryption variables (your private key, public certificate, ...) and subject to configuration. The article explains in details how to use the classes.

PS: Only IPN confirmation is implemented by the helper classes.