Please allow my introduction to correctly define the scope of my question:
I am still very new to the programming world. It all started for me when I had an idea for software, but no programming experience. I ended up going outsourcing to get a program, and after almost a year we live and work.
This special program is written using php and is 100% web based. We use a lot of ajax, jQuery, etc.
Now, a year later, I studied and studied wherever I can (studies a lot here !!!). I mainly focus on Java now, to make up Objective-C and iPhone fun (probably like 99% of all other newbie programmers).
I really learned a lot, and one of the biggest things I learn is proper commenting and scalability.
Now I see that this work, which we just finished, is sorely lacking in both areas. I want to add and use this program, and not only I do not have much experience, but I see that it is very difficult for me to even get an idea of the functions without these comments ...
So my question is: what is the best way to start collecting fragments of this program? A complete rewrite is out of the question, and I do not think it is necessary.
I am sure this is not the first time a novice programmer, software developer has been along this path ... what are others doing here?
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Joel