It's not news that Facebook has been running a modified version of PHP for some time. What is news is that now so can you.
You can get a copy of it at this website: Hack . It installs on most OSs (or will, soon), and even runs in the Cloud (on Heroku).
According to this, Facebook Introduces 'Hack,' the Programming Language of the Future | Wired Enterprise | Wired.com , what you get is a high performing version of PHP with very little you have to change to get the performance gains.
It will be... [More]