Checkout restrict specific products and countries

Restricts a specific product or variation to specified country codes in checkout.

add_action( 'woocommerce_after_checkout_validation', function( $fields, $errors ) {

	// Settings
	$product_title = 'Product Title Here - Variation Name';
	$skip_countries = [ 'US', 'CA' ];
	$error_message = '
		Sorry, %s can only be purchased from a USA or Canada billing address.
	';

	// Skip Specified Countries
	if( in_array( $fields['billing_country'], $skip_countries ) ) {
		return;
	}

	// Match Product Title To Cart Items
	$matched = false;
	foreach( WC()->cart->get_cart() as $item ) {
		$product = isset( $item['variation_id'] )
			? wc_get_product( $item['variation_id'] )
			: wc_get_product( $item['product_id'] );
		if( $product && method_exists( $product, 'get_name' ) ) {
			if( $product->get_name() == $product_title ) {
				$matched = true;
			}
		}
	}

	// Matched Cart Show Error
	if( $matched ) {
		$errors->add(
			'validation',
			sprintf( $error_message, $product_title )
		);
	}

}, 10, 2 );

Instructions for Checkout restrict specific products and countries

  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
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