Display radio fields.
Code Sample:
array(
'id' => 'radio_field5',
'title' => __('Radio Field','text-domain'),
'details' => __('Description of radio field','text-domain'),
'type' => 'radio',
'default' => 'option_3',
'args' => array(
'option_1' => __('Option 1','text-domain'),
'option_2' => __('Option 2','text-domain'),
'option_3' => __('Option 3','text-domain'),
'option_4' => __('Option 4','text-domain'),
),
),
Preview:

