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Software Design Patterns: Drupal's architecture and reusability

Design patterns

Software design patterns are crucial tools in the field of software development, providing developers with proven solutions to common programming challenges. These patterns encapsulate the collective wisdom and best practices of experienced software engineers, enabling the creation of robust, scalable, and maintainable code. In this article, we will explore the importance of design patterns in programming, their benefits, and some popular examples of design patterns using Drupal in most examples, because I try to bring Drupal into everything. 

Why did Drupal decide to move towards Object oriented programming paradigm?

Drupal made a significant shift towards adopting the object-oriented programming (OOP) paradigm starting with its major release, Drupal 8 many many moons ago. I'm sure many wanted to know why. Drupal addressed the criticism of the lack of explicit use of object-oriented programming (OOP) in Drupal's source code and API by explaining the reasons behind their design choices. Here are the key points they mentioned:

Design patterns in Drupal

Drupal follows best practices in software development by utilizing various design patterns. Design patterns are established solutions for common programming challenges, providing a structured and reusable approach to software design. In Drupal, these design patterns are used to ensure extensibility, flexibility, scalability and maintainability of the CMS. From the Observer pattern for event handling, to the Plugin pattern for modular functionality, to the Factory pattern for object creation, Drupal leverages a variety of design patterns to implement its robust architecture. This introduction provides a glimpse into the key design patterns used in Drupal CMS, which play a crucial role in shaping its modular and flexible nature

How dependency injection works in Drupal?

In Drupal, dependency injection is implemented using the Symfony Dependency Injection component, which is a popular PHP library for managing dependencies in object-oriented applications. Drupal is built on top of Symfony framework and leverages its components for various functionalities, including dependency injection
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