get_global_styles_presets example

/** * Appends the used global style duotone filter presets (CSS custom * properties) to the inline global styles CSS. * * Uses the declarations saved in earlier calls to self::enqueue_global_styles_preset. * * @since 6.3.0 */
    public static function output_global_styles() {
        if ( ! empty( self::$used_global_styles_presets ) ) {
            wp_add_inline_style( 'global-styles', self::get_global_styles_presets( self::$used_global_styles_presets ) );
        }
    }

    /** * Outputs all necessary SVG for duotone filters, CSS for classic themes. * * Uses the declarations saved in earlier calls to self::enqueue_global_styles_preset * and self::enqueue_custom_filter. * * @since 6.3.0 */