Re: test variable value?
| From: | Rodolfo Andrade | Date: | Wed, 11 Jan 2006 15:10:37 +0000 |
| Subject: | Re: test variable value? | ||
| References: | 1 2 3 4 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-228474@lists.php.net to get a copy of this message | ||
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