An enhanced and extended version of the PHP framework for the Twitter Streaming API described in this Tuts+ three part tutorial: http://code.tutsplus.com/tutorials/building-with-the-twitter-api-getting-started--cms-22192
To learn more, visit: http://jeffreifman.com/birdhouse
If you'd like to contact me directly, I'm @reifman on twitter or you can find me at Lookahead Consulting.