You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
simple multi-processes management framework based on pcntl
white-potoWeb-socket server/client with multi-process and parse templates support on server and send/receive options on client
arthurkushmanReverse proxy for PHP built-in server which supports multiprocessing and TLS/SSL encryption
mpywA new generation of multi-process asynchronous event-driven spider engine based on Workerman. http://www.phpcreeper.com
blogdaren