sabberworm/PHP-CSS-Parser — pull request #40 by yellowandy (2012-06-28 19:03:48+00:00)
Title: Add ability to disable mb_* related string functions

The mb_* functions can be very expensive, for a large document it was taking me over a minute to parse. By disabling these functions it took around 3 seconds and since I know the source of the CSS I'm certain mb_* functions aren't needed.