Re: alternative to empty
| From: | André Medeiros | Date: | Wed, 06 Jul 2005 12:47:53 +0000 |
| Subject: | Re: alternative to empty | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-218193@lists.php.net to get a copy of this message | ||
On Wed, 2005-07-06 at 13:20 +0200, Angelo Zanetti wrote:
> what about checking that the length is >0
>
Checking if length > 0 requires calling a function, wich takes longer
(it's a ridiculous difference, but still...)
> but i think the other suggestions are fine.
>
> André Medeiros wrote:
>
> >On Wed, 2005-07-06 at 10:55 +0100, 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.
> >>
> >>
> >>
> >>
> >>Is there an alternative that will just check for empty strings. I suppose I
> >>could just use eregi and check for numbers but thought there may be a
> >>function that would work in a similar way.
> >>
> >>
> >>R.
> >>
> >>
> >>
> >
> >If a string is empty, it should be == ''
> >
> >
> >
>