note 101534 deleted from function.isset by danbrown
| From: | danbrown@php.net | Date: | Thu, 23 Dec 2010 13:37:46 +0000 |
| Subject: | note 101534 deleted from function.isset by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-175163@lists.php.net to get a copy of this message | ||
Note Submitter: francois vespa
----
If you want isset() to be true even if variable has been set to NULL, use @is_null() along with
isset().
<?php
$foo=null;
return isset($foo) ? true : false ; // returns false
return isset($foo) || @is_null($foo) ? true : false ; // returns true
?>