This simple extension adds a JAN column to the order invoice on OpenCart. That is, in invoice in the table with the products the value from the JAN field is deduced individually for each products.
The JAN field is often misused to record additional product parameters, in which case the JAN column header can be replaced in the modification.
If you are printing invoices before ordering and you need to add a JAN to the form - install this extension.
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.
