array_replace_recursive

<?

$array1 = array(0, 1, array(0, 1));

$return = array_replace_recursive($array1);

print_r($return);

?>

Array
(
    [0] => 0
    [1] => 1
    [2] => Array
        (
            [0] => 0
            [1] => 1
        )

)

<?

$array1 = array(0, 1, array(0, 1));
$array2 = array("replace", 2 => array("replace"));

$return = array_replace_recursive($array1, $array2);

print_r($return);

?>

Array
(
    [0] => replace
    [1] => 1
    [2] => Array
        (
            [0] => replace
            [1] => 1
        )

)