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

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

Reply via email to