note 113560 added to control-structures.if

what is wrong ?????? function recursion($number){ if ($number === 0){ return 0; } else{ return $number=$number-1; } } echo recursion(9); How do i get it to do a loop so that it goes until 0 ---- Server IP: 72.52.91.14 Probable Submitter: 72.52.91.14 ---- Manual Page -- http://php.net/manual/en/control-structures.if.php Edit -- https://master.php.net/note/edit/113560 Del: integrated -- https://master.php.net/note/delete/113560/integrated Del: useless -- https://master.php.net/note/delete/113560/useless Del: bad code -- https://master.php.net/note/delete/113560/bad+code Del: spam -- https://master.php.net/note/delete/113560/spam Del: non-english -- https://master.php.net/note/delete/113560/non-english Del: in docs -- https://master.php.net/note/delete/113560/in+docs Del: other reasons-- https://master.php.net/note/delete/113560 Reject -- https://master.php.net/note/reject/113560 Search -- https://master.php.net/manage/user-notes.php