Hardened PHP
- http://www.hardened-php.net/
- Adds security hardening features to PHP. Include news, libraries, Hardening patch, services advisories, a forum and a system for advanced protection of PHP installations.
PHP Club
- http://www.phpclub.net/
- A programmer's group united by a desire to develop PHP technologies in the Internet. News, articles, applications and FAQ.
PHP: Hypertext Preprocessor
- http://www.php.net/
- PHP is a server-side HTML embedded scripting language. It provides web developers with a full suite of tools for building dynamic websites: native APIs to Apache and other web servers; easy access to MySQL, Sybase, Oracle, and other databases; IMAP; LDAP; HTTP headers and cookies. This site is the official home of PHP4.
PHPMac.com
- http://www.phpmac.com/
- Dedicated to PHP programmers that use the Mac OS, in particular Apple's OS X unix system. Tutotials, articles and support.
PHPit
- http://www.phpit.net/
- PHP and MySQL articles, tutorials and codesnippets. It also has database with commonly asked questions.