Implement a Pygments-like lexer for PHP in libphutil
Summary:
hey guys I invented something I think I will call it the "wheel"
See discussion in D3332.
Test Plan: Unit tests. This probably needs a few additional tweaks, but I'll add some higher-level coverage once I expose it as a syntax highlighter.
Reviewers: vrana, alanh
Reviewed By: vrana
CC: aran
Maniphest Tasks: T1602
Differential Revision: https://secure.phabricator.com/D3336