I make a product template like groupon with coupons.
now i have make in database a field service_till
This field numeric and present the coupon till date in Months 1-12
Now i try to put it out the order.date + this value
i assing this field with
{assign var="stm" value=strtotime("+`$oi.extra.service_till` months")}
how i can add this to {$order_info.timestamp} for a correct output ?


