ReadWriteWeb

Last week, we were chasing our tails in giddiness over HipHop, a newly open-sourced PHP runtime developed in house at Facebook.

Today, amid the rabid excitement over Google Buzz, Facebook quietly pumped some more code into the world. XHP is a new way to write PHP that "augments the syntax of the language to both make your front-end code easier to understand and help you avoid cross-site scripting attacks," according to Facebook engineer Marcel Laverdet. "XHP has enabled us to build better websites faster; our Lite site was written entirely with XHP."

Here's what a few developers, including PHP creator Rasmus Lerdorf, had to say about it.