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!
// New logic: add $5 handling fee for fragile items $extraFee = 0; foreach ($products as $product) if ($product['is_fragile']) $extraFee += 5; prestashop module override
In Back Office → Advanced Parameters → Performance → click "Clear cache". Important Naming Convention The override class name must be unique. The standard convention is: When used correctly, overrides will save you from
/** * Override the cost calculation method */ public function calculateCost($products) When used correctly
Use overrides sparingly, document them religiously, and always ask: “Could I achieve this with a hook or a custom module instead?”
