Cacher is the code snippet organizer for pro developers

array(
    'type' => 'radiobutton',
    'name' => 'layout',
    'label' => __('Project display type', 'vp_textdomain'),
    'items' => array(
        'data' => array(
            array(
                'source' => 'function',
                'value'  => 'display_types',
                ),
            ),
        ),
    ),