More details: http://2015.phpsummercamp.com/Programme/Classes-interfaces-dependency-injection-and-OOP-best-practices By Ryan Weaver & Saša Stamenković Maybe you already understand the basics of object-oriented programming: classes, sub-classes and methods. In this workshop, we'll take you a step further by building real code to leverage the *really* neat stuff, like interfaces, dependency injection and patterns like composition inside of Symfony.