WordPress Version: 5.5
/**
* Gets random header image URL from registered images in theme.
*
* @since 3.2.0
*
* @return string Path to header image.
*/
function get_random_header_image()
{
$random_image = _get_random_header_data();
if (empty($random_image->url)) {
return '';
}
return $random_image->url;
}