An introduction to Dependency Injection.
PHP Dependency Injection
WordPress plugin dependency management.
OAuth 2.0 Client for Guzzle 4, 5 and 6 - no more dependency hell!
Php Simple DependencyInjection is a library that provides a minimalistic dependency container with the ability to provide singleton or prototype versions of the dependencies identifying them by a name.
Dependency Injection System
The DependencyInjection component allows you to standardize and centralize the way objects are constructed in your application.
Developers tool for WordPress plugins: Wraps all your projects dependencies in your own namespace, in order to prevent conflicts with other plugins loading the same dependencies in different versions.
Autowired Dependency Injection Container for PHP