note 101930 deleted from function.unset by danbrown
| From: | danbrown@php.net | Date: | Tue, 18 Jan 2011 22:39:14 +0000 |
| Subject: | note 101930 deleted from function.unset by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-175877@lists.php.net to get a copy of this message | ||
Note Submitter: Josh Kupershmidt
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edouard dot berge:
See the doc. page for isset, which states "Returns TRUE if var exists and has value other than
NULL, FALSE otherwise.". Your array $tab is empty, but does have a non-NULL value, so
isset($tab) properly returns true.