This work covers all the essentials for adding dynamic content to a site with PHP and linking it to an MySQL database. It explains more than 125 key tasks, from using cookies to monitor the activity of Web site visitors to retrieving information from MySQL databases, creating images and Web pages on the fly, and processing XML documents. PHP-Hypertext PreProcessor-open-source scripting language is in use on over 16 million Web sites worldwide; the latest version of MySQL was downloaded more than one million times in the first few weeks of its release. The companion Web site features a fully searchable e-version of the book, plus all code in the book.