note 51937 rejected from function.is-null by nlopess
| From: | nlopess@php.net | Date: | Fri, 15 Apr 2005 18:14:10 +0000 |
| Subject: | note 51937 rejected from function.is-null by nlopess | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-88071@lists.php.net to get a copy of this message | ||
Note Submitter: jzj at atlas dot cz
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is there any way to distinguish between a variable that has been assigned NULL value and a variable
that has never been assigned? how to check unassigned value without triggering a notice? is_null()
seems to be an alias of !isset() and does not actually check for NULL value.
-JaZzyJunGgle