WooCommerce: Disable Shipping Rate if Variation ID @ Cart

A client needed to disable all shipping methods but Local Pickup for a certain variation ID. This may come useful if you’re looping through the variations on the cart/checkout page (check if variation ID is in the cart for example), so here you go!

Where to Find Variation IDs – WooCommerce

PHP Snippet: Disable Shipping Rates if Variation ID is in the Cart – WooCommerce

/**
 * @snippet       WooCommerce Disable Shipping Rates if Variation ID @ Cart
 * @how-to        Get tutoraspire.com FREE
 * @sourcecode    https://tutoraspire.com/?p=17436
 * @author        Tutor Aspire
 * @compatible    WooCommerce 3.4.4
 */

add_filter( 'woocommerce_package_rates', 'tutoraspire_unset_woocommerce_shipping_methods_when_ids', 10 ,2 );

function tutoraspire_unset_woocommerce_shipping_methods_when_ids ( $rates, $package ) {

// loop through the cart
foreach ( WC()->cart->get_cart() as $cart_item_key => $values ) {

$_product = $values['data'];

        // if product variation id @ Cart, disable all but Local Pickup
if( $_product->variation_id == 3102 || $_product->variation_id == 3103 || $_product->variation_id == 3093 || $_product->variation_id == 3094 ) {

$local_pickup = $rates['local_pickup'];
        $rates = array();
        $rates['local_pickup'] = $local_pickup;
}

}

return $rates;

}