Libraries tagged by Domain Layer

Enterprise architecture layer for Laravel and Symfony — CQRS, Event Sourcing, Durable Workflows (Sagas, Orchestrators), Projections, and Outbox messaging via PHP attributes.

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Database abstraction for Public Suffix List

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TLDExtract, library for extracting parts of domain, e.q. domain parser

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Service layer and domain / business model implementation for CakePHP

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Claude Code extension for PHP: audits (architecture, DDD, security, performance, PSR, design patterns, Docker, CI/CD, tests, docs), 3-level code review, automated bug fix, generators (DDD, CQRS, GoF patterns, PSR, tests, documentation, Docker, CI/CD), code explanation, refactoring. 26 commands, 62 agents, 259 skills.

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Tools to create the domain layer of your DDD application

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PHP Tool to validate domain boundaries

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DTO-first API runtime foundation for CodeIgniter 4: base classes, HTTP layer, services, repositories, filters, audit chain, and queue. Powers ci4-api-starter and ci4-domain-starter. Pair with dcardenasl/ci4-api-scaffolding for CRUD generation.

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RQL (Resource Query Language) domain layer -- immutable value objects, AST nodes, and interfaces. Zero dependencies.

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Bundle to create the domain layer of your DDD application

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A dependency-free package to help building a business domain layer

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Emphasizes that this is the Application Layer, not tied to the API specifics or any particular domain.

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Domain layer foundation for PHP 8.2+ providing Value Objects with attribute-based validation, Entities, Aggregates, Rules, Specifications, Policies, Invariants, Transformers, and a framework-agnostic adapter system.

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A domain layer providing basic user management

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A domain layer providing basic EAV management

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