Why Facebook Invented A New PHP-Derived Language Called “Hack”
Instead of throwing out years of legacy code, Facebook built a new branch of the language that originally underpinned TheFacebook.com. Here’s the story behind a two-year labor of love.
7 Apr 2014 ... Instead of throwing out years of legacy code, Facebook built a new branch of the language that originally underpinned TheFacebook.com.