Prestashop Module | Override

In Back Office → Advanced Parameters → Performance → click "Clear cache". Important Naming Convention The override class name must be unique. The standard convention is:

Use overrides sparingly, document them religiously, and always ask: “Could I achieve this with a hook or a custom module instead?”

Delete /var/cache/dev/class_index.php (and /var/cache/prod/ in production). prestashop module override

// Original logic would run if we called parent $originalCost = parent::calculateCost($products);

PrestaShop is one of the most flexible e-commerce platforms available, largely thanks to its modular architecture. However, there comes a time in every developer’s journey when a module doesn’t quite do what you need. The core logic is 90% perfect, but you need to tweak a method, add a filter, or change a database query. In Back Office → Advanced Parameters → Performance

When used correctly, overrides will save you from module vendor lock-in and let you bend PrestaShop to your exact business needs – without losing the ability to update. Have a tricky module override scenario? Share it in the comments below!

PrestaShop does not automatically scan new overrides. You must clear the class index. // Original logic would run if we called

OriginalClassNameOverride (e.g., CartControllerOverride , PaymentModuleOverride )