Alright, if that's the filter people need to pass before you listen to their arguments then I'll tell you the list of languages I am productive in: Javascript,

Alright, if that's the filter people need to pass before you listen to their arguments then I'll tell you the list of languages I am productive in: Javascript, PHP, Haskell, Rust, C++ and LISP. I'm familiar with the benefits and drawbacks of all of them and I don't see how any of them replaces PHP