Design Patterns

A thorough reference covering 26 design patterns organized by intent — creational, structural, and behavioral — featuring PHP 8.3+ implementations, UML guidance, and practical use cases.

Pattern Index

Creational Patterns

• Abstract Factory — Produce families of related objects without specifying their concrete classes → reference
• Builder — Assemble complex objects through a step-by-step process → reference
• Factory Method — Declare an interface for object creation, letting subclasses determine the concrete type → reference
• Prototype — Duplicate existing objects without coupling to their concrete classes → reference
• Singleton — Guarantee that a class has exactly one instance → reference
• Object Pool — Recycle expensive-to-create objects for repeated use → reference