http://github.com/kakserpom/phpdaemon

True async. framework with API for PHP. It has many features. Designed for highload. Main features and possibilites:

• Powerful WebSocket and HTTP servers.
• True FastCGI for PHP.
• Many bundled async. clients like MySQL, Memcache, MongoDB, etc.
• Many useful built-in applications like FlashPolicy server, SocksServer, CGI-server, etc...
• Interactive debug console.
• Dynamic spawning workers.
• Chroot & Chdir for workers.
• Automatic graceful reloading user's scripts when it's updated.
• Graceful worker shutdown (and re-spawn if necessary) by the following limits: memory, query counter, idle time.

Also, you can build binary application server using compiler like PHC (http://phpcompiler.org/).

Installation guide: http://github.com/kakserpom/phpdaemon/wiki/Installation-(common)

Master process understands signals:

SIGINT, SIGTERM, SIGQUIT - termination.
SIGHUP - update config from file.
SIGUSR1 - reopen log-file.
SIGUSR2 - graceful restart all workers.

Maintainer: kak.serpom.po.yaitsam@gmail.com