Re: Multiplication of double
| From: | Chris Shiflett | Date: | Sun, 19 Jan 2003 21:01:39 +0000 |
| Subject: | Re: Multiplication of double | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-132195@lists.php.net to get a copy of this message | ||
--- Cesar Aracena <icaam@icaam.com.ar> wrote:
> I get two numbers from a FORM, one price and one
> quantity and I need to make a multiplication with
> them in order to store the total amount also as a
> double expression... I'm trying with:
>
> $totalprice = $price * $qty;
>
> but when I echo the, it gives me just plain old 0
> (zero). Any suggestions?
Without seeing more code, it is hard to say, but I imagine
$qty and/or $price are not what you think they are. Here is
a little example that you might find useful:
<?
$price = "3.50";
$quantity = 5;
$total = $price * $quantity;
echo "$total\n";
printf("$%.2f", $total);
?>
Chris