PHP pros, please give me your advice

why dont you nigger post the source?

So, a pretty standard php site.

Anyway, you're giving way too little information to give any useful advice.

I'd say continue with it like it is, for now.

meanwhile rewrite it in lolcode

m8, how are we supposed to know if a certain framework won't break existing functionality when you don't tell us anything about said existing functionality?
post the source code or tell us which site it is so people can have a look and see what kind of shit is already done so they can actually give you some proper feedback

I think you mean the backend should be a cluster of microfeces

seconded