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Preface

This book comprises eight projects. These projects are deliberately made with extension and modification in mind, that is, as much as possible, I've tried to build each project in such a way that you can apply your own requirements easily and you don't have to study the code for weeks on end to work out how it functions.

Following each chapter as they currently are will give you a perfectly functioning project, of course, but there is always room to expand and should you choose to extend and add functionality, you can do so easily.

Conversely, each project can be disassembled and specific sections of code can be lifted out and used in completely different projects that are totally separate to this book. I've done this in several ways—as much as possible, the code is kept verbose and simple. The code is kept in small, manageable blocks; I've tried to keep all code as close to the examples of code used in the CodeIgniter documentation (so hopefully, it will follow a familiar flow and appearance).

I've also tried to document each project. The beginning of each chapter will contain wireframes, sitemaps, file tree layouts, and data dictionaries of every table in each project, and in the code itself, I have added explanations of the code.

I try to discuss why something is there rather than just a stale explanation of what something is; this is done in the hope that explaining why something is there will help you understand how relevant the code is to whatever change or amendment you might have in mind.

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