Definition: Packingslip.php is a PHP script used for processing packing slip data. It's typically used in eCommerce to manage shipping information or customer order details. The purpose is to allow users to input, validate, and display shipping data easily. The term 'packingslip' refers to a type of form where the user inputs product quantity and packing requirements (weight, dimensions) for an order. This process allows for efficient and accurate tracking of shipments.