Re: test variable value?

From:	Jochem Maas	Date:	Wed, 11 Jan 2006 10:04:35 +0000
Subject:	Re: test variable value?
References:	1	Groups:	php.general
Request:	Send a blank email to php-general+get-228459@lists.php.net to get a copy of this message

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?

yeah buts its a string which doesn't do what you want. if (empty($var)) { echo 'yes'; } or: if (is_null($var)) { echo 'yes'; }

Thanks -Willa