This gist is a support for a blog post on http://blog.blackfire.io
If you want to try it locally, clone this gist, install the player, and run it:
git clone git@gist.github.com:15ec11a0696fa56ffe01984f970e5e67.git
curl -OLsS http://get.blackfire.io/blackfire-player.phar
php blackfire-player.phar run security.bfk