PHP - Multidimensional array sorting by specific key

multi_array_sort.php

<?php

/**
 * @param array $array
 * @param string $_key
 * @param string $_direction
 * @version 1.0.0
 * @author Praneeth Nidarshan ([email protected])
 */
function multiArraySort(&$array, $_key,$_direction = 'desc')
{
    usort($array, function ($a, $b) use ($_key, $_direction) {

        $a = $a["{$_key}"];
        $b = $b["{$_key}"];

        if ($a == $b) {
            return 0;
        }

        if ($_direction == 'desc') {
            return ($a < $b) ? 1 : -1;
        } else {
            return ($a < $b) ? -1 : 1;
        }
    });
}
?>