Uber prefect city

perfectCity.php

<?php

function perfectCity($departure, $destination) {
    $length = 0;

    if ((int) $destination[1] == (int) $departure[1]) {
        $length += min([1 - $departure[1] - (int) $departure[1] + 1 - $destination[1] - (int) $destination[1], $destination[1] - (int) $destination[1] + $departure[1] - (int) $departure[1]]);
    } else {
        $length += $destination[1] - $departure[1];
    }

    if ((int) $destination[0] == (int) $departure[0]) {
        $length += min([1 - $departure[0] - (int) $departure[0] + 1 - $destination[0] - (int) $destination[0], $destination[0] - (int) $destination[0] + $departure[0] - (int) $departure[0]]);
    } else {
        $length += $destination[0] + $departure[0];
    }

    return $length;
}

test 3/5