But you can add extensions which make get rid of the inconsistencies and lets you treat it like you a in a modern version (Babel/etc). But Javascript is compil

But you can add extensions which make get rid of the inconsistencies and lets you treat it like you a in a modern version (Babel/etc). But Javascript is compiled in the browser, by many browsers, and so is hard to nail down an environment. PHP runs on the server which is pretty much a fixed environment. It has more options to it yet it feels like it hasn't made use of it.