Below is a collection of notes I made after reading [Growing Object Oriented Software, Guided by Tests](http://www.growing-object-oriented-software.com/). I highly recommend that developers read this book. Writing tests is hard, and using tests to write good code is even harder. It takes a lot of time and a lot of getting it wrong before you can get it right. Well, the book above explains how to do it step by step, I'm definitely a better developer for having read it. Many thanks to the code wizard that lent it to me, you know who you are. I'm posting these notes online because it's a useful reference for myself, and hopefully o...
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Traits in PHP are a bit shite. At best they are an ineffective way to append functionality to a class, at worst they are an anti-pattern. They are often used as toggles for internal functionality (see Laravel's Acceptance tests) or as a lazy way to share common functions across a bunch of classes without using another pattern. # Why are they bad? ## Reading: They're hard to read. If you see that a class uses a trait, you have to open the trait to see what it's adding to the class. Usually the trait uses protected properties of the class, this means you have to flip between the trait and the parent class to figure out the type of...
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