Summary of PHP enterprise application architecture and design key points

Identify key architectural design principles for enterprise-level PHP applications: Layered architecture loose coupling single responsibility principle factory pattern repository pattern service layer pattern

PHP enterprise-level application Summary of Architecture and Design Key Points

As business scale and complexity continue to grow, it is crucial to design enterprise-level PHP applications. This article outlines key architectural and design principles and provides practical examples.

Architecture Principles

Layered Architecture

Divide the application into the front-end, business logic layer, data access layer and infrastructure layer to ensure that the code is reusable, easy to maintain and Scalable.

Loose Coupling

Use interfaces and abstract classes to define and decouple interactions between components, increasing flexibility and simplifying modularization.

Single Responsibility Principle

Focus each class on a single function to improve the readability, maintainability and testability of the code.

Design Pattern

Factory Pattern

Create objects without specifying specific classes to improve scalability and flexibility.

Repository pattern

As an abstraction layer, it defines universal access to data sources and separates business logic from data access.

Service layer pattern

Separate business logic from the presentation layer to create reusable, front-end-independent services.

Practical case

Example: Online store application

• ##Front end (view):Display product catalog, Processing user interaction
• Business logic (controller):Processing business logic, such as adding a shopping cart and placing an order
• Data access (model):Access and operate data in the database
• Infrastructure (framework):Provide application running environment, such as routing, database connection

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