protected function get_root_value($default = null)
{
$id_base = $this->id_data['base'];
if ('option' === $this->type) {
return get_option($id_base, $default);
} else {
if ('theme_mod') {
return get_theme_mod($id_base, $default);
} else {
/*
* Any WP_Customize_Setting subclass implementing aggregate multidimensional
* will need to override this method to obtain the data from the appropriate
* location.
*/
return $default;
}
}
}