I agree with the general sentiment, but, to nitpick, Facebook uses/is transitioning to http://hacklang.org/ http://hacklang.org/ to avoid PHP. They literally wr

I agree with the general sentiment, but, to nitpick, Facebook uses/is transitioning to http://hacklang.org/ http://hacklang.org/ to avoid PHP. They literally wrote a whole new language and built a VM to do JIT compilation of that new lang just to not have to continue using PHP.