note 95437 added to function.array-walk

You can use lambda function as a second parameter: <?php array_walk($myArray, function(&$value, $key){ // if you want to change array values then "&" before the $value is mandatory. }); ?> Example (multiply positive values by two): <?php $myArray = array(1, 2, 3, 4, 5); array_walk($myArray, function(&$value, $index){ if ($value > 0) $value *= 2; }); ?> ---- Server IP: 93.93.89.253 Probable Submitter: 194.220.83.177 ---- Manual Page -- http://www.php.net/manual/en/function.array-walk.php Edit -- https://master.php.net/note/edit/95437 Del: integrated -- https://master.php.net/note/delete/95437/integrated Del: useless -- https://master.php.net/note/delete/95437/useless Del: bad code -- https://master.php.net/note/delete/95437/bad+code Del: spam -- https://master.php.net/note/delete/95437/spam Del: non-english -- https://master.php.net/note/delete/95437/non-english Del: in docs -- https://master.php.net/note/delete/95437/in+docs Del: other reasons-- https://master.php.net/note/delete/95437 Reject -- https://master.php.net/note/reject/95437 Search -- https://master.php.net/manage/user-notes.php