Re: note 15966 added to function.is-float
| From: | Zak Greant | Date: | Wed, 10 Oct 2001 15:58:09 +0000 |
| Subject: | Re: note 15966 added to function.is-float | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-18786@lists.php.net to get a copy of this message | ||
On October 10, 2001 09:54 am, bens@benjamindsmith.com wrote:
> I have a function that seems to reliably test whether a variable
> COULD be real. (rather than "IS" - see my note above)
>
> function couldbe_real($in)
> {
> $arch="$in";
> if ($arch!=$in+0.0."")
> return false;
> $in=$in+0.0;
> if (is_real($in))
> return true;
> }
Hi Ben,
Thanks for the notes. See the built-in function is_numeric()
--
Zak Greant
PHP Quality Assurance Team
http://qa.php.net/
"We must be the change we wish to see." - M. K. Ghandi