note 113701 deleted from function.is-null by peehaa
| From: | peehaa@php.net | Date: | Mon, 02 Dec 2013 09:36:23 +0000 |
| Subject: | note 113701 deleted from function.is-null by peehaa | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-197720@lists.php.net to get a copy of this message | ||
Note Submitter: felipevolpatto at gmail dot com
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A table very usefull with NULL in PHP
isset is_null ===null ==null empty
null | F | T | T | T | T |
true | T | F | F | F | F |
false | T | F | F | T | T |
0 | T | F | F | T | T |
1 | T | F | F | F | F |
\0 | T | F | F | F | F |
unset | F | T | T | T | T |
"" | T | F | F | T | T |
[] | T | F | F | T | T |