[sgerrand]

Actually Facebook agrees with me so much that they rewrote PHP as a C++ macro called hiphop, and no longer use PHP.

A specious comment - hiphop transforms PHP to optimised C++ and then compiles it.

https://github.com/facebook/hiphop-php

[scriptproof]

Compilation = converting a language into another. Hiphop is a (two-stages) PHP compiler.