How to Modify WooCommerce Order Numbers with Leading zeros?

Order numbers can be set to be created in many predictable formats, such as alphanumeric patterns, sequential order number patterns, random patterns, etc. However, some store owners or external integrations might require the order numbers to be followed in a consistent length as well. In such cases, you can use leading zeros to order numbers and maintain the length of the order numbers as you prefer.

Solution: Modify WooCommerce Order Numbers with Leading zeros

The code adds leading zeros to the order ID to maintain a consistent length of 5 characters. For example, if the default order ID is