Code-Snippets-Functions/Execute a function on a child site/WooCommerce/hide-local-pickup-shipping-option-if-order-total-is-zero.txt

add_filter( 'woocommerce_package_rates', 'hide_local_pickup_for_free_orders', 10, 2 );
function hide_local_pickup_for_free_orders( $rates, $package ) {
    // If cart subtotal is equal to zero
    if( $package['contents_cost'] == 0 ) {
        foreach( $rates as $rate_key => $rate ) {
            // Hide Local Pickup shipping method(s)
            if ( $rate->method_id === 'local_pickup' ) {
                unset($rates[$rate_key]);
            }
        }
    }
    return $rates;
}