Ratchet

http://socketo.me/

WebSockets for PHP Ratchet is a loosely coupled PHP library providing developers with tools to create real time, bi-directional applications between clients and servers over WebSockets. This is not your Grandfather's Internet.

https://github.com/ratchetphp/Ratchet

Документация

http://socketo.me/api/namespace-Ratchet.html

Demo

http://socketo.me/demo