They're very much using PHP (the language) ...they just made their own runtime. They still sit down and write PHP. They don't sit down and write HHVM code. Th

They're very much using PHP (the language) ...they just made their own runtime. They still sit down and write PHP. They don't sit down and write HHVM code. That's like saying a company no longer uses Ruby because they use JRuby now.