function llms_get_quiz_theme_setting( $setting = '', $default = '' ) {

	/**
	 * Deprecated.
	 *
	 * @since 3.17.0
	 * @deprecated 3.17.6 Deprecated. See https://lifterlms.com/docs/course-builder-custom-fields-for-developers for more information.
	 *
	 * @param array[] $settings Array of quiz theme settings.
	 */
	$settings = apply_filters_deprecated(
		'llms_get_quiz_theme_settings',
		array(
			array(
				'layout' => array(
					'id'      => '',
					'name'    => __( 'Layout', 'lifterlms' ),
					'options' => array(),
					'type'    => 'select', // Either: select or image_select.
				),
			),
		),
		'3.17.6'
	);

	if ( $setting ) {
		return isset( $settings[ $setting ] ) ? $settings[ $setting ] : $default;
	}

	return $settings;

}