Dynamic Image Generation with PHP

PHP lets you do a lot more than simply generating HTML content, it is also a great tool to dynamically generate images on-the-fly. For example, you can create buttons with text from a database, create grapical displays of statistics from log files, and enhance business data with graphs and diagrams. This tutorial shows you how to use the GD library to dynamically create images on your site. The GD library is an external module which is accessed by a native PHP module.