In this section, you'll start working on a small application to become acquainted with both Zend Framework and the role of the controller in Zend Framework. The controller contains different actions that allow the user to trigger different events for a specific feature. Figure 3-3 outlines the path the user's request takes after triggering an action to process form information (this demonstrates what the controller does and why you need it in greater detail).
User submits signup form submits signup form
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