In this article in the Zend Framework 101 series I will introduce you to the Zend_Registry class. This class used is to allow you manage variables and objects in the global application namespace. This is used as an alternative to using global variables in PHP. I will show you how to use the Zend_Registry class and also provide a practical example of where it would be useful to use the registry.

In this article I will introduce you to Zend_Loader, a Zend Framework class used to automatically load other classes. Typically you would use include_once or require_once when you want to load a class but using Zend_Loader you don't have to.

So far in this series, "Eight Weeks of Prototype," I have shown you some of the extensive features the Prototype JavaScript framework provides. In this, the final article of the series, I will bring many of these features together into a simple example.

So far in Eight Weeks of Prototype I have covered the most important aspects of developing robust JavaScript using Prototype; however I haven't covered every available feature. In this article I will briefly discuss other aspects of development with Prototype, that while aren't necessarily core knowledge are still useful.

While JavaScript is by design an object-oriented language, it hasn't always been the easiest language to create nicely structured code that is easily maintainable. Prototype helps with this by providing a number of useful features for creating classes, such as the ability to extend classes and to easily group all functions together by using function binding. In this article I will show you how to create classes using JavaScript and Prototype.

In addition to all of the other useful classes Prototype gives to developers, it also provides a number of classes and methods for development of Ajax-enabled web applications. That is, it allows developers to easily perform HTTP sub-requests using XmlHttpRequest and to handle the response accordingly. In this article I will show you how Prototype makes Ajax development for developers by covering the functionality it provides. Additionally, I will show you how to easily transfer data between your JavaScript code and web server using JSON data.

One of the most useful and important aspects of JavaScript developments is that of event handling. Prototype simplifies this process by providing a number of helpful methods for doing so. In this, the fourth article of "Eight of Weeks of Prototype", we will look at how Prototype helps with handling events.