Posted by "M. Sokolewicz" on 01/11/06 17:14

remember though that
if(!$x) {
echo 'nothing here';
}

will also output 'nothing here' when provided with the string '0'!

- tul

Rodolfo Andrade wrote:
> I do use if(!$var) for simple application. Only _IF_ I need to know if the
> $var is defined but empty or so I would use especific functions.
>
> ----- Original Message -----
> From: Stut
> To: Rodolfo Andrade
> Cc: William Stokes ; php-general@lists.php.net
> Sent: Wednesday, January 11, 2006 11:49 AM
> Subject: Re: [PHP] test variable value?
>
>
> Rodolfo Andrade wrote:
>
>
>>How about...
>>
>>if (!$x){
>> echo "x is empty";
>>}
>>
>>
>
>
> Because $x could be an empty string, 0, false, null or undefined. If
> that's what you need to check for then knock yourself out.
>
> -Stuart

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