PHP program to separate odd and even elements from array without using loop

<?php

$input = array(4, 3, 6, 5, 8, 7, 2);

function oddCmp($input)

{

    return ($input & 1);

}


function evenCmp($input)

{

    return !($input & 1);

}

$odd = array_filter($input, "oddCmp");

$even = array_filter($input, "evenCmp");

$odd = array_values(array_filter($odd));

$even = array_values(array_filter($even));

print"Odd array :\n";

print_r($odd);

print"\nEven array :\n";

print_r($even);


?>