Add To Cart only once! …

  • Hi All,

    I have a problem about the “Add To Cart” button (using mainly WooCommerce).

    E.g. clicking on the “Add To Cart” button, a product is added to the Cart.

    If I click again on this button, a second same product is added again. And so on …

    I would like to make this impossible. So: If a product already exists in the Cart, a new adding would be totally impossible.

    Any code-snippet would be really appreciated!

    Thanks in advance.

    Best,

    Michel

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