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Posted by Andrι Medeiros on 07/06/05 15:47
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.
>
> AndrΓ© 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 == ''
> >
> >
> >
>
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