With few exceptions, any software engineer worth his/her salt have at least heard of the model-view-controller pattern. It’s been around since it was introduced to Smalltalk in the late 1970s and has been a staple pattern in object-oriented languages for as many years. Nearly all the leading PHP frameworks include some form of MVC implementation. With so many frameworks and developers espousing its use, you would think it’s the best pattern for building your application. And you would be wrong.