do_action( 'dynamic_sidebar_before', int|string $index, bool $has_widgets )

734	 * @since 3.9.0735	 *736	 * @param int|string $index       Index, name, or ID of the dynamic sidebar.737	 * @param bool       $has_widgets Whether the sidebar is populated with widgets.738	 *                                Default true.739	 */740	do_action( 'dynamic_sidebar_before', $index, true );741 742	if ( ! is_admin() && ! empty( $sidebar['before_sidebar'] ) ) {743		echo $sidebar['before_sidebar'];744	}745 746	$did_one = false;