// 장바구니가 비어있는지 확인하십시오.
add_action( 'init', 'woocommerce_clear_cart_url' );
function woocommerce_clear_cart_url() {
      global $woocommerce;
       if ( isset( $_GET['empty-cart'] ) ) {
            $woocommerce->cart->empty_cart();
      }
}
add_action( 'woocommerce_cart_actions', 'patricks_add_clear_cart_button', 20 );
function patricks_add_clear_cart_button() {
      echo "<a class='button empty-cart-button' href='?empty-cart=true'>" . '장바구니 비우기' . "</a>";
}