Re: alternative to empty
| From: | André Medeiros | Date: | Wed, 06 Jul 2005 12:47:16 +0000 |
| Subject: | Re: alternative to empty | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-218192@lists.php.net to get a copy of this message | ||
On Wed, 2005-07-06 at 20:23 +1000, Dan Rossi wrote:
> On 06/07/2005, at 7:55 PM, Ross wrote:
>
> > I have been using empty in forms for some time now. but have just
> > discovered
> > that
> >
> > PHP 4 As of PHP 4, The string value "0" is considered empty.
> >
> >
> >
> >
>
> If ($string == '') ??
>
> or if (isset($string)) ??
>
$string may be defined and still be empty ;)