The extension adds a UPC column to the table with the products in the invoice when viewing or printing from the Orders section of the OpenCart admin. You can change the UPC column header to the one you want.
In the UPC field you can specify any text data for the product and this value can be shown in the invoice with this extension. This means that adding UPC to an OpenCart account is very simple.
Module installation instructions:
Upload the module in the admin panel in the "Extensions" : "Install".
Go to the "Modifications" section and update the cache.
Go to the "Dashboard" section and update the template cache.
OpenCart 3.0.5.1 and 4.1.0.4 shipped on August 11, 2026 with full PHP 8.5 support and a batch of fixes. Release details, OpenCartBot commits and OpenCart 5 plans.
A developer cheat sheet on using ternary operators in Twig. It will be useful for new developers of OpenCart and other CMSs that use this templating engine.
The OpenCart team has officially presented release 3.0.5.0, which contains a significant package of fixes, code cleanup, and compatibility improvements with modern PHP versions.
