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

--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

• Next in forum: Re: [PHP] Speed
• Prev in forum: Re: Check how much/which variables there are in an class
• Thread view: Re: [PHP] test variable value?

[Reply to this message]