WP_REST_Controller::get_additional_fields PHP Method

get_additional_fields() protected method

Get all the registered additional fields for a given object-type.
protected get_additional_fields ( string $object_type = null ) : array
$object_type string
return array
    protected function get_additional_fields($object_type = null)
    {
        if (!$object_type) {
            $object_type = $this->get_object_type();
        }
        if (!$object_type) {
            return array();
        }
        global $wp_rest_additional_fields;
        if (!$wp_rest_additional_fields || !isset($wp_rest_additional_fields[$object_type])) {
            return array();
        }
        return $wp_rest_additional_fields[$object_type];
    }