Add comments explaining why the override exists, what it changes, and when it was created. Future you (or your team) will thank you.
If you are developing a module for distribution, you can include overrides within the module folder. Place your files in /modules/your_module/override/ . prestashop override
Now, in your product.tpl file, you can simply use $custom_message . Add comments explaining why the override exists, what
Modifying core files directly (found in /classes/ or /controllers/ ) is dangerous. When you update PrestaShop, those files are overwritten, and your changes are lost. Overrides stay safe in their own directory. what it changes
Many modules install overrides. If Module A overrides the Product class, and you manually create an override for Product as well, you might break the site.
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