function woocommerce_upsell_display( $limit = '-1', $columns = 4, $orderby = 'rand', $order = 'desc' ) {
		global $product;

		if ( ! $product ) {
			return;
		}

		// Handle the legacy filter which controlled posts per page etc.
		$args = apply_filters(
			'woocommerce_upsell_display_args',
			array(
				'posts_per_page' => $limit,
				'orderby'        => $orderby,
				'order'          => $order,
				'columns'        => $columns,
			)
		);
		wc_set_loop_prop( 'name', 'up-sells' );
		wc_set_loop_prop( 'columns', apply_filters( 'woocommerce_upsells_columns', isset( $args['columns'] ) ? $args['columns'] : $columns ) );

		$orderby = apply_filters( 'woocommerce_upsells_orderby', isset( $args['orderby'] ) ? $args['orderby'] : $orderby );
		$order   = apply_filters( 'woocommerce_upsells_order', isset( $args['order'] ) ? $args['order'] : $order );
		$limit   = apply_filters( 'woocommerce_upsells_total', isset( $args['posts_per_page'] ) ? $args['posts_per_page'] : $limit );

		// Get visible upsells then sort them at random, then limit result set.
		$upsells = wc_products_array_orderby( array_filter( array_map( 'wc_get_product', $product->get_upsell_ids() ), 'wc_products_array_filter_visible' ), $orderby, $order );
		$upsells = $limit > 0 ? array_slice( $upsells, 0, $limit ) : $upsells;

		wc_get_template(
			'single-product/up-sells.php',
			array(
				'upsells'        => $upsells,

				// Not used now, but used in previous version of up-sells.php.
				'posts_per_page' => $limit,
				'orderby'        => $orderby,
				'columns'        => $columns,
			)
		);
	}