note 113701 added to function.is-null

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 | ---- Server IP: 72.52.91.14 Probable Submitter: 72.52.91.14 ---- Manual Page -- http://php.net/manual/en/function.is-null.php Edit -- https://master.php.net/note/edit/113701 Del: integrated -- https://master.php.net/note/delete/113701/integrated Del: useless -- https://master.php.net/note/delete/113701/useless Del: bad code -- https://master.php.net/note/delete/113701/bad+code Del: spam -- https://master.php.net/note/delete/113701/spam Del: non-english -- https://master.php.net/note/delete/113701/non-english Del: in docs -- https://master.php.net/note/delete/113701/in+docs Del: other reasons-- https://master.php.net/note/delete/113701 Reject -- https://master.php.net/note/reject/113701 Search -- https://master.php.net/manage/user-notes.php