Re: test variable value?
| From: | James Benson | Date: | Wed, 11 Jan 2006 23:48:14 +0000 |
| Subject: | Re: test variable value? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-228505@lists.php.net to get a copy of this message | ||
If your talking values in submitted form data I would use:
if(isset($var) && trim($var) == '') {
echo "Please give a value";
}
James
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? Thanks -Willa