The Lineitem will represent the commerce products. So using this line item ID we can able to load the product details. The Below syntax and example will show the loading commerce product from Line Items id.
The Line Items in Drupal commerce used to refer the product in Order. Using the Line Item id we can able to load order details. The function commerce_line_item_load() will contains respective order ID of the order. We can able to get the order details from order ID using the function commerce_order_load().
In Drupal Commerce is an entity reference to the order during order creation. The line item will refer the product in the order. We can able to programmatically update the line item using the function "entity_metadata_wrapper()". The below example will show how to update the line items programmatically.
In Drupal the function commerce_line_item_load() help us to load the commerce line item details Programmatically. The function accepts the unique id of each line item. The below syntax and example shows how to access the line item details programmatically.
In programmatically we can able to alter commerce line items. The line items are kept as an entity in Drupal commerce system. Using the function "commerce_line_item_load()" we load line item as the object and able to access line item properties. The function commerce_line_item_save() will help to update the line item.