Understanding Apache 2 MPM (worker vs prefork)

http://www.garron.me/en/blog/apache2-mpm-worker-prefork-php.html http://kb.parallels.com/en/113007 http://codebucket.co.in/apache-prefork-or-worker/ http://cloudinservice.com/tune-apache-performance-using-mpm-prefork-module/ http://httpd.apache.org/docs/2.2/mod/prefork.html http://httpd.apache.org/docs/2.2/mod/worker.html

An abstraction layer for git written in PHP

http://gitelephant.cypresslab.net/

GUI for PHP’s OpCache

https://github.com/PeeHaa/OpCacheGUI https://github.com/rlerdorf/opcache-status

PHP Coding Standard Generator

The goal of this site is to enable you do very quickly create and maintain your own coding standard. PHP Mess Detector rule sets files and PHP Code Sniffer rulesets are supported.

PHPOffice

https://github.com/PHPOffice

The Principles of OOD

http://butunclebob.com/ArticleS.UncleBob.PrinciplesOfOod

webMASTAH | Centrum webdevelopera

http://webmastah.pl/

easybook, book publishing as easy as it should be

easybook is an application that lets you easily publish books in various electronic formats

The PHP Quality Assurance Toolchain

http://phpqatools.org/

Online Composer Cheat Sheet

Composer is the dependency manager for PHP. This site is a one-page-only doc for this tool.