Disable free shipping by product category

Disables the Free Shipping method for specified product categories.

add_filter( 'woocommerce_shipping_free_shipping_is_available',
	function( $is_available ) {

	$cart_items = WC()->cart->get_cart();

	foreach( $cart_items as $cart_item_key => $cart_item ) {

		$product_id = $cart_item['product_id'];

		if( has_term( 'Category Name Here', 'product_cat', $product_id ) ) {
			return false;
		}

	}

	return $is_available;

} );

Instructions for Disable free shipping by product category

  1. Log into a staging or locally hosted clone of your site.
  2. Install and activate Code Snippets plugin.
  3. WP Admin > Snippets > Add New
  4. Copy and paste the code from the section above.
  5. Check to ensure formatting came over properly.
  6. Customize the code as desired.
  7. Add a meaningful title.
  8. Select whether to run on front-end or back-end (or both).
  9. Click “Save and Activate”.
  10. Test your site to ensure it works.
  11. Disable if any problems, or recover.
  12. Repeat for live environment.

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License

All code snippets are licensed GPLv2 (or later) matching WordPress licensing.

Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Disclaimer of warranty