PHP Best Practices

Use this skill as a rulebook for building and migrating PHP backend components following TreeNation’s DDD architecture.

Workflow

1. Open AGENTS.md.
2. Identify which components need to be created or changed (controller, service, DTO, repository, response, test).
3. Load only the relevant rule files from rules/.
4. Implement the smallest correct change that satisfies the requirement.
5. Run PHP CS Fixer and PHPStan before finishing.

Repository Guardrails

• New PHP files go inside src/ except controllers (which stay in app/Http/Controllers/).
• Controllers must not contain business logic; delegate to a service.
• Services must be unit-tested; mock all dependencies.
• Always register new repository interfaces in app/Providers/TreeNationProvider.php.
• Use strict typing (declare(strict_types=1)) in all new files.
• Do not add comments unless the user explicitly asks.
• Follow the Criteria pattern for all repository queries.
• Commits follow pattern: TNIT-####: description.

Output Expectations

• Explain which rules were applied and why.
• Generate all required files for the feature (controller, request, DTO if needed, service, response, repository interface, repository implementation, test).
• Keep changes incremental; avoid broad rewrites unless asked.