WC_Cart::get_coupon_discount_amount PHP 메소드

    public function get_coupon_discount_amount($code, $ex_tax = true)
    {
        $discount_amount = isset($this->coupon_discount_amounts[$code]) ? $this->coupon_discount_amounts[$code] : 0;
        if (!$ex_tax) {
            $discount_amount += $this->get_coupon_discount_tax_amount($code);
        }
        return wc_cart_round_discount($discount_amount, $this->dp);
    }