Tutorial that explains how to allow your website visitors to select different CSS style sheets (or themes)

Not so very long ago adding a graph or chart to a web page or application required a fair amount of programming knowledge and was rather time consuming for even the most experienced. However with the tools available today it is possible for almost anyone to add graphs and charts to web pages. With just a little bit of HTML, dynamically generated graphs and charts can be added to web pages and/or applications.

Apache's .htaccess allows a wide range of useful web server behaviours to be implemented, the most popular of which are provision of custom error pages, and password protection of directories. This tutorial gives a brief lesson in how to implement these two useful types of service.

Learn how to use the sqrt() function in PHP to find out the square root of a number.

PEAR's HTML_BBCodeParser package is a BBCODE parser. This tutorial will teach you how to use it.

PEAR's HTML_CSS is a CSS Generator which can be used in combination with HTML_Page. This tutorial teaches you how to use HTML_CSS.

This PEAR tutorial will teach you how to use PEAR's Finest Templating engine: HTML_Template_Sigma

HTML_Page is a PEAR package which is an XHTML Page Generator. This tutorial will teach you all about it and how to use it.

In HTML the " character is encountered very often. This is also used within PHP therefore this causes a very small problem when outputting HTML code. This however is a very simple solution to that problem.

Learn how to displays a users IP address.