[retro212]

If you need a lightweight - Sinatra like framework check http://silex-project.org/ it is built from Symfony components and works like a charm

[bergie]

Silex is cool. I did a quick-and-dirty benchmark with it and AiP a while back, and performance was comparable to Node.js and Express:

http://bergie.iki.fi/blog/php_can_perform_better_than_node-j...