note 108996 added to function.array-walk

####### I intuitively tried to use array_walk function with PHP built-in function "abs($var)" but it did not work and got some warning message $values = array(-5,2,3,-8,4,-1,0); array_walk($values, "abs"); => Warning: abs() expects exactly 1 parameter, 2 given in ... ###### Then I wrote this function : function myAbs(&$val){ $val = abs($val); } array_walk($values, "myAbs"); ##### It works! ---- Server IP: 158.255.214.58 Probable Submitter: 217.5.227.147 ---- Manual Page -- http://www.php.net/manual/en/function.array-walk.php Edit -- https://master.php.net/note/edit/108996 Del: integrated -- https://master.php.net/note/delete/108996/integrated Del: useless -- https://master.php.net/note/delete/108996/useless Del: bad code -- https://master.php.net/note/delete/108996/bad+code Del: spam -- https://master.php.net/note/delete/108996/spam Del: non-english -- https://master.php.net/note/delete/108996/non-english Del: in docs -- https://master.php.net/note/delete/108996/in+docs Del: other reasons-- https://master.php.net/note/delete/108996 Reject -- https://master.php.net/note/reject/108996 Search -- https://master.php.net/manage/user-notes.php