Dependency Injection Courses
Independent Creating a Reusable (& Amazing) Symfony Bundle
SymfonyCasts PHPUnit (Legacy): Testing with a Bite
SymfonyCasts Symfony 3.3: Upgrade, Autowiring & Autoconfigure
SymfonyCasts OOP (Course 2): Services, Dependency Injection and Containers
SymfonyCasts Question and Answer Day: March 27th, 2013
SymfonyCasts Starting in Symfony2: Course 4 (2.4+)
SymfonyCasts Starting in Symfony2: Course 3 (2.4+)
SymfonyCasts Spring Framework for Java Developers: Practical Guide
Udemy Tales from the .NET 8 Migration Trenches
NDC Conferences via YouTube