iterator_map_to_array PHP funciton

gistfile1.php

        function iterator_map_to_array(\Iterator $iterator, $callback, $use_keys = true){
            foreach($iterator as $i){
                $i = $callback($i);
            }
            return iterator_to_array($iterator, $use_keys);
        }

        return iterator_map($cursor, function($i){
            return new MyObject($i);
        }, false);