This chapter provides you with exciting new options that allow you to recreate even the most sophisticated payment plans in osCommerce with minimal work on your default code.
You can now settle back when running final testing on new payment modules in your live environment. You, and you alone, will have permission to view them; they remain hidden to the public eye while you make sure all is properly seasoned before releasing a new payment method.
Careful testing is especially important when you are working on cascading strategies, where a certain shipping method will trigger the payment choices offered. You have studied an example for Spot Delivery, which was the only shipping choice that allowed a customer to select Cash on Delivery payment in the next step.
In the last part of this trilogy, you had a taste of a highly practical modification that allows you to offer certain payment methods to small select groups of customers—without the overload of an extensive contribution installation...