<?php $ar = array('a' => 'b'); function cb($v) { return $v; } function keys($v, $k) { return $k; } //print_r(array_map('cb', $ar)); $keys = array_map('keys', $ar, array_keys($ar)); print_r($keys); //print_r(array_map('cb', $ar, $keys));
You have javascript disabled. You will not be able to edit any code.