php-cakephp

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• SKILL.md

SKILL.md (first lines)

# PHP / CakePHP Conventions

## Testing
- For behaviour changes, add or update the smallest failing PHPUnit or integration test first, then implement until it passes.
- Use `assertSame()` over `assertTrue($x === 'y')` — strict equality, not loose.
- Use `assertArrayHasKey()` over `assertTrue(isset($arr['key']))`.
- Always set up CSRF/security tokens for POST request tests.
- Verify both HTTP response and database state in integration tests.

## Code style
- Follow PSR-12. Use strict types: `declare(strict_types=1)`.
- Use CakePHP conventions: Table classes for queries, Entity classes for domain logic, virtual properties for computed fields.
- Prefer `$this->fetchTable('TableName')` over direct instantiation or deprecated `TableRegistry` calls.
- Use CakePHP's built-in validation and build rules over manual checks.

## Commands
- Test: `composer test` or `./vendor/bin/phpunit`
- Single test: `./vendor/bin/phpunit tests/TestCase/Path/ToTest.php`
- Lint: `composer cs-check` or `./vendor/bin/phpcs`
- Fix: `composer cs-fix` or `./vendor/bin/phpcbf`
- Static analysis: `composer stan` or `./vendor/bin/phpstan analyse`

From derricka-lau/ai-agent-contract, MIT.

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