test variable value?
| From: | William Stokes | Date: | Wed, 11 Jan 2006 09:57:28 +0000 |
| Subject: | test variable value? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-228458@lists.php.net to get a copy of this message | ||
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