PHP Patterns and Refactoring Training in Cork, Ireland

This course provides an in-depth understanding of object-oriented design patterns and best practices in refactoring PHP code. Participants will learn how to identify code smells, refactor legacy code, and apply patterns such as Singleton, Factory, Strategy, and more. The course balances theory with hands-on coding, helping developers write cleaner, more efficient, and maintainable PHP applications.

Course Agenda

Principles of Clean Code and Refactoring Basics

• Introduction to clean code practices in PHP

• Identifying code smells

• Introduction to SOLID principles

• Refactoring fundamentals: when and why

• Tools and IDE support (PHPStorm, VS Code, etc.)

• Hands-on refactoring simple code blocks

PHP Design Patterns – Creational

• Introduction to design patterns

• Singleton, Factory, Abstract Factory

• Builder and Prototype patterns

• Use cases and implementation in PHP

• Refactoring to apply creational patterns

• Practical exercises

PHP Design Patterns – Structural

• Adapter, Facade, Decorator, Composite, Proxy

• When to apply and how to refactor code accordingly

• Real-world examples and PHP implementations

• Hands-on pattern-based refactoring

PHP Design Patterns – Behavioral

• Strategy, Observer, Command, Template Method

• Event-driven programming with Observer pattern

• Applying patterns for extensibility and flexibility

• Refactoring existing code to support behavioral patterns

• Writing unit tests for pattern-based code

Refactoring in Practice + Project

• Working with legacy PHP codebases

• Refactoring strategies: breaking down monoliths

Hands-on Exercises