CHAPTER 3

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Platforms and Tools

If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.

—Henry David Thoreau

If the castles are the requirements, the foundation under them is the platform on which they will be implemented. That platform has four principal parts: operating system, web server, database (MySQL), and language compiler/interpreter (PHP). That’s on the server. Since these are web applications, they’re accessed from another platform, the client, with two main parts: operating system and browser. You develop on a third platform that runs your development tools. ...

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