To better understand dependency injection container, the dependency injection design pattern is a prerequisite.
Dependency injection container is very useful and recommended way of managing class dependencies. It is a utility which helps you to implement the dependency injection pattern in your application.
Dependency injection container is a combination of container design pattern, factory pattern and (optionally) flyweight pattern when utilizing objects as service descriptors. General implementations of dependency injection container are also inspecting components (utilizing reflection).
- PHP-DI - Dependency injection container PHP library.
- Pimple - A simple PHP dependency injection container.
- Do you need a Dependency Injection Container?
- Symfony Dependency Injection Component
- Laravel Service Container
- Aura.DI
- Dependency Injection: An analogy