Interesting web links for PHP Programmers

• PHP Manual: http://www.php.net/manual/en/
• PHP Security Consortium: http://phpsec.org/
• PEAR: PHP Extension and Application Repository: http://pear.php.net/
• PECL: PHP Extension C Library: http://pecl.php.net/
• Smarty template engine: http://smarty.php.net/
• Overlib: http://www.bosrup.com/web/overlib/
• Apache Software Foundation: http://www.apache.org/
• W3C Markup Validation Service: http://validator.w3.org/
• Cross Site Scripting Info: http://httpd.apache.org/info/css-security/
• Cross site scripting: http://en.wikipedia.org/wiki/Cross-site_scripting
• Web development reference sidebar: http://www.ivanyeung.pwp.blueyonder.co.uk/webdev/sidebar/
• W3 Schools: http://www.w3schools.com/
• Browser Statistics: http://www.w3schools.com/browsers/browsers_stats.asp
• PHP Editors: http://www.php-editors.com/ & http://www.midnighthax.com/phpeditors.php
• CSS Zen Garden: http://www.csszengarden.com/
• The Web Devloper's Handbook: http://www.alvit.de/handbook/
• SSL Certificates HOWTO: http://www.faqs.org/docs/Linux-HOWTO/SSL-Certificates-HOWTO.html
• Zend: http://www.zend.com/
• XAMPP — Apache, Mysql & PHP server: http://www.apachefriends.org/en/xampp.html
• Web-Developer Server Suite - WAMP server: http://www.devside.net/
• World Wide Web Consortium: http://www.w3.org/
• PHP User Groups: http://www.phpusergroups.org/
• UK's Unix & Open Systems User Group: http://www.ukuug.org/
• Firefox Extensions: https://addons.mozilla.org/extensions
• HTTP Protocol Status Codes - quick list http://offline.home.cern.ch/offline/web/http_error_codes.html
• HTTP Protocol Status Codes - definitive list http://www.ietf.org/rfc/rfc2616.txt