Re: test variable value?
| From: | M. Sokolewicz | Date: | Wed, 11 Jan 2006 15:14:24 +0000 |
| Subject: | Re: test variable value? | ||
| References: | 1 2 3 4 5 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-228476@lists.php.net to get a copy of this message | ||
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