woocommerce_admin_order_preview_line_items │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_admin_order_preview_line_items', 'wp_kama_woocommerce_admin_order_preview_line_items_filter', 10, 2 );

/**
 * Function for `woocommerce_admin_order_preview_line_items` filter-hook.
 * 
 * @param  $order_items 
 * @param  $order       
 *
 * @return 
 */
function wp_kama_woocommerce_admin_order_preview_line_items_filter( $order_items, $order ){

	// filter...
	return $order_items;
}

$order_items

-

$order

-

Where the hook is called

$line_items = apply_filters( 'woocommerce_admin_order_preview_line_items', $order->get_items(), $order );

Where the hook is used in WooCommerce