Here is a list of information on PHP.
Starting a new PHP Package the Right Way
Read this first - PHP The Right Way
PHP's safe_mode or how not to implement security
45+ Excellent Code Snippet Resources and Repositories | Developer's Toolbox
Implementing the Range Operator in PHP
Re-Implementing the Range Operator
ircmaxell's blog: PHP Sucks! But I Like It!
PHP UTF-8 cheatsheet
Ewww, You Use PHP? | MailChimp Email Marketing Blog
PHP is the right tool for the job (for all the wrong reasons) - Sam says you should read this
The Commandments of Good Code
This page contains information I gathered and thought were very useful.
See more notes on development.
Just to let you know, this page was last updated Tuesday, Dec 11 18