Posted by "Rodolfo Andrade" on 01/11/06 12:42

How about...

if (!$x){
echo "x is empty";
}

Regards,
Rodolfo Andradee


----- Original Message -----
From: Stut
To: William Stokes
Cc: php-general@lists.php.net
Sent: Wednesday, January 11, 2006 8:08 AM
Subject: Re: [PHP] test variable value?


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?
>
>
Depends what you mean by no value. I suggest you read
http://php.net/is_null, http://php.net/empty and http://php.net/isset.

-Stut

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