Describe the use of Zend_Form_Element_Radio for choice selection.

Describe the use of Zend_Form_Element_Radio for choice selection.

Answer: `Zend_Form_Element_Radio` is used in Zend Framework to create a group of radio buttons for choice selection in forms. It allows users to select one option from a predefined set of options. Each radio button is associated with a value, and only one radio button in the group can be selected at a time, ensuring exclusive choice. This is useful for scenarios like selecting a gender, payment method, or user preferences. The element can be customized with labels, values, and styling to fit the form’s design.

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