Learning PHPFox from ground up

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Job Description

I have recently bought PHPFox and I am looking for someone who can walk me through PHPFox as a whole. I am going to be coding my own theme/style, but I do not know which files are connected and what I should be looking at to edit. A couple things I want to know how to do:

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I am looking for a general overview and explanation of the different aspects of PHPFox.