title Dependency Injection - Symfony Certification Preparation List Back to index Dependency Injection Service container Service Container - symfony.com Built-in services Configuration parameters Introduction to Parameters - symfony.com Services registration Creating/Configuring Services in the Container - symfony.com Tags How to Work with Service Tags - symfony.com Semantic configuration Factories Using a Factory to Create Services - symfony.com Compiler passes How to Work with Compiler Passes in Bundles - symfony.com Services autowiring Defining Services Dependencies Automatically (Autowiring) Version >= 3.3 - symfony.com