Why Are My OpenCart 3 Product Details Page Changes Not Showing Up After Clearing Cache?

Troubleshooting Persistent Cache Issues in OpenCart 3: Addressing Changes in Product Details Page

When making modifications to the product details page in OpenCart 3, you may encounter issues where changes made to the controller file (catalogcontrollerproductproduct.php) are not reflected even after clearing the cache and refreshing the page. This can be frustrating and hinder the progress of your customization efforts.

Potential Culprits: Ocmod and Twig Caches

In such cases, the issue often lies with two cache mechanisms:

• Ocmod Cache: Ocmod manages and applies modifications made through extensions or overrides. If its cache is not cleared, it may hold on to and apply outdated versions of your modified file.
• Twig Cache: Twig is a templating engine used by OpenCart to render views. Its cache can also store outdated versions of your modified controller file, preventing changes from being displayed.

Clearing Twig Cache

To clear the Twig cache, access your OpenCart dashboard and locate the gear icon in the top-right corner. Click on it and select "Clear Theme Cache" to purge the stored Twig cache.

Clearing Ocmod Cache

For the Ocmod cache, navigate to "Extensions" in your admin panel and select "Modifications." In the top-right corner, click the "Reload" button. This action forces OpenCart to recompile and load the modifications, including any changes you made to product.php.

By clearing both Twig and Ocmod caches, you should now be able to see the changes you made to the product-related attributes in the product details page (/index.php?route=product/product&product_id=100). If the issue persists, check for any other potential cache sources or consult with the OpenCart community for further assistance.

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