note 110760 added to function.isset

FYI. isset() does a strict comparison for null, so be aware whenever you're testing for zero vs. null. <?php $zero = 0; $null = null; isset($zero); // true isset($null); // false $zero == null; // true $zero === null; // false ?> ---- Server IP: 192.41.42.26 Probable Submitter: 173.192.118.68 ---- Manual Page -- http://www.php.net/manual/en/function.isset.php Edit -- https://master.php.net/note/edit/110760 Del: integrated -- https://master.php.net/note/delete/110760/integrated Del: useless -- https://master.php.net/note/delete/110760/useless Del: bad code -- https://master.php.net/note/delete/110760/bad+code Del: spam -- https://master.php.net/note/delete/110760/spam Del: non-english -- https://master.php.net/note/delete/110760/non-english Del: in docs -- https://master.php.net/note/delete/110760/in+docs Del: other reasons-- https://master.php.net/note/delete/110760 Reject -- https://master.php.net/note/reject/110760 Search -- https://master.php.net/manage/user-notes.php