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Rich Buggy's Blog:
Dynamic forms using Zend_Form
June 24, 2009 @ 12:05:24

Rich Buggy has posted a new tutorial to his blog looking at the Zend_Form component of the Zend Framework and how you can have it cooperate with the generation of more dynamic forms.

While most forms contain fixed fields there are occasions when you need a form to be dynamic and adjust itself based on user input. The adjustment could be as simple as altering the options in a drop down list or as complex as adding/removing fields. In this post I'm going to cover how to create a dynamic form using Zend_Form and jQuery. I'll use the example of a registration form that prompts the user for their country and state.

He extends the Zend_Form component to make his own registration form with two fields - country and state. Combined with the jQuery code to pull in the JSON formatted state information, the form updates the States list as the country is selected. Complete code is provided.

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