array_pad

<?

$array = array(0, 1);
$size = 5;
$value = "pad";

$return = array_pad($array, $size, $value);

print_r($return);

?>

Array
(
    [0] => 0
    [1] => 1
    [2] => pad
    [3] => pad
    [4] => pad
)

<?

$array = array(0, 1);
$size = -5;
$value = "pad";

$return = array_pad($array, $size, $value);

print_r($return);

?>

Array
(
    [0] => pad
    [1] => pad
    [2] => pad
    [3] => 0
    [4] => 1
)

<?

$array = array(0, 1);
$size = 2;
$value = "pad";

$return = array_pad($array, $size, $value);

print_r($return);

?>

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