Nice tutorial on using the Yahoo search web service with the classes from the Zend framework.

An basic introduction to the CodeIgniter Php Framework.

An introduction to the Model View Controller design practice. This is a common theme of most frameworks and will greatly improve your code organization and management.

Today I'll introduce you to CodeIgniter, a framework that does all three. CodeIgniter is an MVC application framework for PHP that gives you a consistent structure for your application, takes care of common tasks and helps you implement complex functionality with minimal effort.