PHP 7.3 reaches end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in April 2022. We strongly recommend planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.

Architectural basics overview

Magento incorporates the core architectural principles of object-oriented, PHP-based applications. Comprehensive discussions of these general principles exist both on-line and in printed form.

The following discussion focuses on how these topics apply directly to Magento:

Related topics

Architectural diagrams

Technology stack

Stack basics

Versioning