note 99472 added to language.types.null

Beware that in comparison using '==' string 'null' equals to 0. <?php var_dump(0=='null'); var_dump(0==null); var_dump(null=='null'); ?> Outputs true true false When '===' is used, results are as expected. ---- Server IP: 82.177.164.100 Probable Submitter: 87.205.54.239 ---- Manual Page -- http://www.php.net/manual/en/language.types.null.php Edit -- https://master.php.net/note/edit/99472 Del: integrated -- https://master.php.net/note/delete/99472/integrated Del: useless -- https://master.php.net/note/delete/99472/useless Del: bad code -- https://master.php.net/note/delete/99472/bad+code Del: spam -- https://master.php.net/note/delete/99472/spam Del: non-english -- https://master.php.net/note/delete/99472/non-english Del: in docs -- https://master.php.net/note/delete/99472/in+docs Del: other reasons-- https://master.php.net/note/delete/99472 Reject -- https://master.php.net/note/reject/99472 Search -- https://master.php.net/manage/user-notes.php