cart->needs_shipping() && !$woocommerce->cart->ship_to_billing_address_only()) : ?> get_value('shiptobilling'); endif; ?>

type="checkbox" name="shiptobilling" value="1" />

checkout_fields['shipping'] as $key => $field) : ?> get_value( $key ) ); ?>
cart->ship_to_billing_address_only()) : ?>

checkout_fields['order'] as $key => $field) : ?> get_value( $key ) ); ?>