Radio
Similar to the Select field, but instead of in a select box, options are rendered as a set of radio buttons.
Config methods
add_options( $options )
Add an associative array with options. For more information, see the Select field documentation for this method.
set_options( $options )
Set an associative array with options. For more information, see the Select field documentation for this method.
NB! If you provide indexed array with no key values, the default indexes (0, 1, 2 …) of the elements will be used.
Field::make( 'radio', 'crb_subtitle_styling', 'Subtitle text style' )
->add_options( array(
'em' => 'Italic',
'strong' => 'Bold',
'del' => 'Strike',
) )