Re: Ensuring that variable contains a number
| From: | Roman Neuhauser | Date: | Thu, 07 Dec 2006 16:18:53 +0000 |
| Subject: | Re: Ensuring that variable contains a number | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-245614@lists.php.net to get a copy of this message | ||
# dotancohen@gmail.com / 2006-12-06 23:51:45 +0200:
> >> How can I ensure that a variable contains a postive integer number?
> >> I'm currently using this code:
> >>
> >> $number=(10000-$number);
> >> $number=(10000-$number);
> >> if ( $number<1 ) { $number=1; }
> >>
> >> But I'm sure that there is a better way. What would that be?
> Thanks. As the 'number' is used in a for loop, it actually is alright
> if it is a float. I just added a check that the number is indeed >=1,
> otherwise I set it to 1. Good enough for this project, anyway... :)
$number = max(intval($number), 1);
--
How many Vietnam vets does it take to screw in a light bulb?
You don't know, man. You don't KNOW.
Cause you weren't THERE. http://bash.org/?255991