Hello, so I'm a html5, css3, php coder, I make you a clean code, I think you'll be able to understand, and change the php code, because it's really understable.
Sure I work in MVC ect..
If you want to see some of my work : (ONLY CODAGE NOT THE DESIGN) :
There is some other website, but those are the only one which I can show

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(I can do everything in php, paypal api ect..)