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Domain-Driven Design with PHP🏛️

Advanced

PHP 8.5+

Master enterprise architecture patterns with Domain-Driven Design, building maintainable and scalable PHP applications using strategic and tactical design patterns.

7

Sections

21

Lessons

23

Challenges

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21 lessons and 23 challenges, all 100% free.

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What is Domain-Driven Design?

Ubiquitous Language

Bounded Contexts

When to Use DDD(Sign in required)

Beginner+10 Mana

Ubiquitous Language Violation(Sign in required)

Intermediate+20 Mana

Bounded Context Indicator(Sign in required)

Intermediate+20 Mana

Anti-Corruption Layer Purpose(Sign in required)

Intermediate+20 Mana

Value Object Immutability(Sign in required)

Beginner+10 Mana

Entity or Value Object?(Sign in required)

Intermediate+20 Mana

Aggregate Root Access(Sign in required)

Intermediate+20 Mana

Aggregate Transaction Rule(Sign in required)

Advanced+30 Mana

Domain Services

Introduction to Event Sourcing

Domain Event Naming(Sign in required)

Beginner+10 Mana

When to Use Domain Service(Sign in required)

Intermediate+20 Mana

Domain Event Dispatch Order(Sign in required)

Intermediate+20 Mana

The Repository Pattern

Persistence Strategies

The Specification Pattern

Repository Per Aggregate(Sign in required)

Intermediate+20 Mana

Repository Interface Location(Sign in required)

Intermediate+20 Mana

Persistence Strategy Matching(Sign in required)

Intermediate+20 Mana

Application Services

CQRS: Command Query Separation

Data Transfer Objects in DDD

Application Service Responsibility(Sign in required)

Intermediate+20 Mana

CQRS Query Model(Sign in required)

Intermediate+20 Mana

Command Handler Execution(Sign in required)

Intermediate+20 Mana

Architectural Layers

Ports and Adapters Pattern

Testing in Clean Architecture

Challenge Dependency Rule(Sign in required)

Intermediate+20 Mana

Port vs Adapter(Sign in required)

Intermediate+20 Mana

Clean Architecture Layer Violations(Sign in required)

Advanced+30 Mana

Complete DDD Example

DDD Best Practices & Pitfalls

Event Storming for Discovery

Identifying Anemic Model(Sign in required)

Intermediate+20 Mana

Challenge Aggregate Size(Sign in required)

Advanced+30 Mana

Refactoring to DDD(Sign in required)

Advanced+30 Mana

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21 interactive lessons and 23 hands-on challenges — learn in VS Code, Cursor, or the web.