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Posted by James Benson on 01/12/06 01:48
If your talking values in submitted form data I would use:
if(isset($var) && trim($var) == '') {
echo "Please give a value";
}
James
William Stokes wrote:
> Hello
>
> What is the best way to determine if a variable has no value?
>
> if ($var= '')
>
> or
>
> if ($var= 'null')
>
>
> Can 'null' be used here?
>
> Thanks
> -Willa
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