1. Php.net
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.
http://www.php.net

2. Zend.com
Zend provides PHP programming platform, PHP development & Production tools, and PHP Training & Certification to enable delivery of business-critical applications.
http://www.zend.com

3. Php.net Downloads Page
PHP Downloads - Binaries for other systems
http://www.php.net/downloads.php

4. Adobe.com Topics Php Page
Adobe Developer Connection - PHP Topic Center
http://www.adobe.com/devnet/topics/php.html

5. Cakephp.org
CakePHP enables PHP users at all levels to rapidly develop robust web applications. CakePHP is a rapid development framework for PHP that provides an extensible architecture for developing, maintaining, and deploying applications.
http://www.cakephp.org

6. Phparch.com
Write for Us – Advertise –   PHP Community News All News — Feed Last day for php|tek 2009 CfP December 15—Make sure you get your papers in before it's too late! Read more Last day for our iPod Training Promo MTA announces new ZFCE training
http://www.phparch.com

7. En.wikipedia.org Wiki Php Page
PHP From Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/PHP

8. Onlamp.com Php Page
O'Reilly Network's source for PHP developer news and information.
http://www.onlamp.com/php

9. Developer.yahoo.com Php Page
PHP Developer Center - Yahoo! Developer Network
http://developer.yahoo.com/php

10. Phpfreaks.com
Subscribe to Feed PHP Freaks Membership Main Menu Welcome to PHP Freaks, part of the Web Freaks Network PHP Freaks is a website dedicated to learning and teaching PHP. Here you will find a forum consisting of 64,730 members who have posted a total of
http://www.phpfreaks.com

11. Php.about.com
Learn PHP and MySQL from simple web based tutorials, example code, and pre-made programs. PHP can interact with MySQL databases and run on HTML or XML sites. Create more interactive and dynamic content for web pages using PHP.
http://php.about.com

12. W3schools.com Php Default Page
PHP Tutorial at W3 Schools
http://www.w3schools.com/php/default.asp

13. Hotscripts.com Php Index Page
HotScripts.com is an Internet directory that compiles and distributes Web programming-related resources, geared toward webmasters, developers and programmers looking for enhancing their Web sites and intranets with dynamic development tools.
http://www.hotscripts.com/PHP/index.html

14. Planet-php.org
Planet PHP - All news in one place
http://www.planet-php.org

15. Dn.codegear.com Php Page
Code Gear - PHP Community
http://dn.codegear.com/php