How to edit plugin files safely?

I want to edit the add to cart section on the product single template of the woocommerce plugin.

I would like to know whether it is a good practice to put the code directly in the file.

If not, what are my alternatives and how do I add the code correctly in order for wordpress to know where I want the code to take effect?

  1. It’s WooCommerce; you should to make you change via one of its action or filter hooks via your theme’s `function.php` file or a custom plugin. Or copy the WC template file you are interested in, along with its parent directories, in to your theme.

  2. Never edit the core WC files directly, make a copy of the file and save it to your theme and edit the PHP file there. This ensures that your custom edits remain in tact when WC pushes a core update.


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