note 18228 deleted from function.isset by sniper
| From: | sniper@php.net | Date: | Mon, 06 Oct 2003 02:59:24 +0000 |
| Subject: | note 18228 deleted from function.isset by sniper | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-57868@lists.php.net to get a copy of this message | ||
Note Submitter: jasper@gremmen.net
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Here are some conditions and their outcome (true or false)
isset("tekst") true
("tekst")!="" true
("tekst") true
("tekst")==NULL false
isset(true) true
(true)!="" true
(true) true
(true)==NULL false
isset(false) true
(false)!="" false
(false) false
(false)==NULL true
isset("") true
("")!="" false
("") false
("")==NULL true
isset(0) true
(0)!="" false
(0) false
(0)==NULL true
isset(1) true
(1)!="" true
(1) true
(1)==NULL false
isset("0") true
("0")!="" true
("0") false
("0")==NULL false
isset("1") true
("1")!="" true
("1") true
("1")==NULL false
isset(NULL) false
(NULL)!="" false
(NULL) false
(NULL)==NULL true