Dependency Inversion is an important technique of object oriented software design and one of Uncle Bob's S.O.L.I.D. principles. In this talk I'll show you what this means and how modern PHP dependency injection containers can help you massively. I will especially highlight rg\injection, a new, fetaure rich container inspired by google-guice.
Have you ever wished you could know early in a project's development which choices you were making that would later harm the project as it grows in longevity, scale, and complexity? We'll share with you how thanks to software architectural principles and testing discipline, and we'll share with you a few laughs as we relate the bumpy road we took on our way to finding out how ourselves.