Re: suppressing division by zero errors
| From: | Christopher William Wesley | Date: | Thu, 31 Jan 2002 23:16:58 +0000 |
| Subject: | Re: suppressing division by zero errors | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-83028@lists.php.net to get a copy of this message | ||
You really need to do some error checking on the denominator.
$num = 5;
$den = 0;
echo $den != 0 ? $num/$den : "0";
A number divided by zero isn't defined, so you have to circumvent the
situation by making sure it never happens.
~Chris /"\
\ / September 11, 2001
X We Are All New Yorkers
/ \ rm -rf /bin/laden
On Fri, 1 Feb 2002, Martin Towell wrote:
> Is there a way to suppress division by zero errors?
>
> echo 5/0; // this give a warning - obviously!!
>
> @echo 5/0; // this gives a parse error
>
> echo @5/0; // this still comes up with a warning
>
> unless I turn error_reporting off before and turn it back on afterwards, but
> I don't want to do that unless I REALLY have to
>
> Martin
>