PrestaShop Expert Certification - Core skills

Symfony Integration
Evaluate the developer's understanding of Symfony components as integrated into PrestaShop, including service containers, dependency injection, routing, configuration, and usage of Symfony forms and commands within module and core development.

Admin API
Assess knowledge of PrestaShop’s modern Admin REST API introduced in version 9, including its principles, capabilities, and differences from the legacy Webservice system. Understand best practices for exposing and consuming APIs securely.

Advanced PHP & Object-Oriented Programming (OOP)
Test the developer’s mastery of OOP principles such as inheritance, interfaces, traits, and how these are applied in PrestaShop’s MVC architecture and ObjectModel system.

PrestaShop Module Development
Verify the ability to create robust, maintainable modules following PrestaShop standards: module structure, service registration, tab creation, installation routines, use of configuration settings, and integration with Symfony services.

Hooks
Evaluate how well the developer understands and implements PrestaShop hooks, including identifying the right hook, declaring it correctly, and using it to alter or extend default behaviors without overrides.

CQRS
Test the developer’s understanding of the CQRS (Command Query Responsibility Segregation) pattern applied in PrestaShop's migration to Symfony, including use cases, benefits, and how it’s implemented with query and command handlers.

CLI Usage & Doctrine Integration
Assess practical usage of CLI commands relevant to PrestaShop development, as well as Doctrine integration (DBAL/ORM) for database access, entity definition, and best practices for queries and data handling.

Composer
Evaluate the developer’s proficiency with Composer to manage dependencies within PrestaShop modules, understanding autoloading, version constraints, and best practices for maintaining compatibility and stability.