The news about plans for Symfony 4 has got a number of my dev team a bit excited about the possibilities – although, so far, there is precious little information about the new tool, Flex, and exactly what “composition over inheritance” will mean in practice.
One similar solution that this reminds me strongly of is Django, and its approach to “apps” – although this isn’t necessarily highlighted, a composition-type system ships with Django and comes with a number of both positive and negative implications.
