note 103620 added to language.types.null

Note: empty array is converted to null by non-strict equal '==' comparison. Use is_null() or '===' if there is possible of getting empty array. $a = array(); $a == null <== return true $a === null < == return false is_null($a) <== return false ---- Server IP: 69.147.83.197 Probable Submitter: 24.87.117.199 ---- Manual Page -- http://www.php.net/manual/en/language.types.null.php Edit -- https://master.php.net/note/edit/103620 Del: integrated -- https://master.php.net/note/delete/103620/integrated Del: useless -- https://master.php.net/note/delete/103620/useless Del: bad code -- https://master.php.net/note/delete/103620/bad+code Del: spam -- https://master.php.net/note/delete/103620/spam Del: non-english -- https://master.php.net/note/delete/103620/non-english Del: in docs -- https://master.php.net/note/delete/103620/in+docs Del: other reasons-- https://master.php.net/note/delete/103620 Reject -- https://master.php.net/note/reject/103620 Search -- https://master.php.net/manage/user-notes.php