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Zend_File_Transfer enables developers to take control over file uploads and also over file downloads. It allows you to use built in validators for file purposes and gives you the ability even to change files with filters. Zend_File_Transfer works with adapters which allow to use the same API for different transport protocols like HTTP, FTP, WEBDAV and more.

Zend_Dom provides tools for working with DOM documents and structures. Currently, we offer Zend_Dom_Query, which provides a unified interface for querying DOM documents utilizing both XPath and CSS selectors.

Zend_Currency is part of the I18n core of the Zend_Framework. It handles all issues related to currency, money representation and formating. And it also provides additional informational methods which include localized informations on currencies, informations about which currency is used in which region and more.

As of version 1.6.0, Zend Framework ships Dojo Toolkit to support out-of-the-box rich internet application development. Integration points with Dojo include:

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JSON-RPC support
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dojo.data compatibility
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View helper to help setup the Dojo environment
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Dijit-specific Zend_View helpers
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Dijit-specific Zend_Form elements and decorators

The Dojo distribution itself may be found in the externals/dojo/ directory of the Zend Framework distribution. This is a source distribution, which includes Dojo's full javascript source, unit tests, and build tools. You can symlink this into your javascript directory, copy it, or use the build tool to create your own custom build to include in your project. Alternately, you can use one of the Content Delivery Networks that offer Dojo (ZF supports both the official AOL CDN as well as the Google CDN).

CAPTCHA stands for "Completely Automated Turing test to tell Computers and Humans Apart;" it is used as a challenge-response to ensure that the individual submitting information is a human and not an automated process. Typically, a captcha is used with form submissions where authenticated users are not necessary, but you desire to prevent spam submissions.

Captchas can take variety of forms, including asking logic questions, presenting skewed fonts, and presenting images and asking how they relate. Zend_Captcha aims to provide a variety of backends that may be utilized either standalone or in conjunction with Zend_Form.

How to on building a feed reader with the Zend Framework, Smarty and HTML Ajax.

The first part in a series on how to write a combination of a CMS and community with the Zend Framework and the Smarty templating system.

Is Zend_Config suited for all your needs? Probably not and it is not supposed to. Yet you might have some peculiar project requirements. For example, you might want to use pre-defined PHP constants in your ini or xml configuration files. Let's find out how that could be done.

This tutorial describes how to use the Smarty templating engine and the Zend Framework in order to create easily portable widgets.

Shows how to use the Zend Controller with the PEAR package HTML_Ajax.