Radio Image
Behaves exactly like a Radio field, but the passed option values should be fully qualified urls to image thumbnails which will be displayed instead of traditional labels.
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_image', 'crb_background', 'Background' )
->add_options( array(
'sky' => 'https://example.com/sky.jpg',
'ground' => 'https://example.com/ground.jpg',
) )