With the CakePHP FormHelper, you can output a set or a list of radio button widgets.
Usage
<?= $form -> radio($field, $options, $attributes); ?>
Example
<?= $form -> radio(‘Model.field’, array(‘Option1′, ‘Option2′, ‘Option3′), array(‘default’ => ‘option2′)); ?>
In the line of code above, you’ll notice the default attribute value. This specifies the value of the radio button which will be checked by default in case there is currently no value passed through the model data.
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