PHP5 Three way comparison (Spaceship Operator)

php5-spaceship-operator.php

<?php

/**
 * PHP5 Three way comparison
 *
 * PHP7 This wouldn't be needed, instead you would do something along the lines of -
 * if/switch ($left <=> $right) { ... }
 *
 * @param  integer $left
 * @param  integer $right
 *
 * @return integer
 */
function threeWayComparison($left, $right)
{
    if ($left < $right) {
        return -1;
    } elseif ($left > $right) {
        return 1;
    } else {
        return 0;
    }
}