Contributing

Contribution guidelines

When contributing to the SDK, please follow these general rules:

• Write all code, comments and documentation in English (except for proper names such as “EFL Leasing”).
• Follow PSR-12 coding style.
• Use strict types in all PHP files (declare(strict_types=1);).
• Prefer clear, explicit types and avoid using mixed unless strictly necessary.

Development workflow

1. Fork and clone the repository.
2. Install dependencies:

   composer install
   

3. Make your changes in a feature branch.
4. Run tests and static analysis before opening a pull request:

   composer test
   composer phpstan
   composer cs-check
   

5. Where possible, add or update tests to cover your changes.

Code style

Use the provided PHP-CS-Fixer configuration:

composer cs-fix

Run this command before committing to ensure consistent formatting.

Commit messages

• Use clear, descriptive commit messages in English.
• Prefer conventional commit prefixes such as feat:, fix:, docs:, refactor:, test:, chore:.