O'Reilly logo

OpenCart 1.4 Beginner's Guide by Murat Yilmaz

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Understanding online credit card processing

The following diagram shows the standard credit card processing flowchart in detail. Note that it is not essential to know every detail in steps shown in a red background color. These parts are executed on behalf of us by the payment system which we will use, so it is isolated both from the store and customer. For example, PayPal is such a system, which we will learn about now in detail.

Understanding online credit card processing

Let's explain the flowchart step by step to clearly understand the whole process:

  1. A customer successfully enters into the checkout page after filling the shopping cart with the products. Then, he/she enters the credit ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required