| private increase_coupon_discount_amount ( string $code, double $amount, double $tax ) | ||
| $code | string | |
| $amount | double | |
| $tax | double | |
private function increase_coupon_discount_amount($code, $amount, $tax)
{
$this->coupon_discount_amounts[$code] = isset($this->coupon_discount_amounts[$code]) ? $this->coupon_discount_amounts[$code] + $amount : $amount;
$this->coupon_discount_tax_amounts[$code] = isset($this->coupon_discount_tax_amounts[$code]) ? $this->coupon_discount_tax_amounts[$code] + $tax : $tax;
}