Smarty PHP Template Programming and Applications Table of Contents.
http://www.packtpub.com/page/Smarty_PHP_Template_Prog
ramming_and_Applications_table_of_contents#chapter_9


Creating a CAPTCHA with PHP.
http://www.codewalkers.com/c/a/Miscellaneous/Creating-a-CAPTCHA-with-PHP/

Using XML: A PHP Developer's Primer.
http://www.phpbuilder.com/columns/adam_delves20060206.php3


Reading XML Using PHP (RSS Reader)
http://www.advanceecomsolutions.com/resources/reading_XML_Using_PHP.asp

XML Parser Functions.
http://in2.php.net/xml


PHP and the Document Object Model (DOM)
http://www.perfectxml.com/nr/PHP_DOM.asp


http://www.teamphp.com/php-manual/function.dom-domdocument-loadhtml.html

PHP6 Blog
http://php6dev.blogspot.com/

Regex Preg_match
http://forums.powweb.com/showthread.php?p=282263


Building a Simple Search Engine with PHP
http://www.onlamp.com/pub/a/php/2002/10/24/simplesearchengine.html?page=1


Installing The PHP-MemCache Module
http://www.howtoforge.com/php_memcache_centos5.0

Install memcached on Linux (CentOS 4.2)
http://dotnot.org/blog/archives/2006/01/04/install-memcached-on-linux-centos-42/

Caching in PHP using the filesystem, APC and Memcached
http://www.rooftopsolutions.nl/article/107

An Introduction to memcached
http://www.search-this.com/2007/07/24/an-introduction-to-memcached/

Installing PEAR on Windows
http://www.rampant-books.com/t_gogala_easyphp_pear.htm

Joomla Extensions
http://extensions.joomla.org/

PHP Pecl Memcached module installation problems
http://www.ducea.com/2007/05/17/php-pecl-memcached-module-installation-problems/

http://www.ducea.com/2007/05/17/php-pecl-memcached-module-installation-problems/


Building a Simple Search Engine with PHP
http://www.onlamp.com/pub/a/php/2002/10/24/simplesearchengine.html

Website Performance Tools: How I Installed Memcached
http://www.jangro.com/a/2007/02/28/website-performance-tools-how-i-installed-memcached/

http://www.jangro.com/a/2007/02/28/website-performance-tools-how-i-installed-memcached/

memcached for Win32
http://jehiah.cz/projects/memcached-win32/

Server-side Programming vs. Client- side Programming
http://www.killerphp.com/videos/serverside_programming_la
nguages/serverside_programming_languages.html