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HHVM language is PHP,Hack is a spinoff of PHP. So yeah,they basically use PHP. HHVM is a different implementation,while Hack is a superset. Now why,with the

by aikah 12y ago

HHVM language is PHP,Hack is a spinoff of PHP. So yeah,they basically use PHP. HHVM is a different implementation,while Hack is a superset. Now why,with the tons of money they have,they chosed to stick with it,I dont know. But it's 100% accurate to say they have some PHP code powering their website. But I bet they have as much java code deployed,and next to none haskell.

frostmatthew 12y ago
> Hack is a spinoff of PHP. So yeah,they basically use PHP. That's like saying applications written in C++ are "basically C" or Groovy is "basically Java."