usort sorting multiple fields

Question

Is it possible to use usort to sort multiple fields in a multidimensional array? For example, I want to sort name alphabetically and then from thos

Answer 1

How about:

 getRandomName(), 'age' => rand(1,10), 'start_order' => $i);
}
$order = array('name' => 'desc', 'age' => 'asc');

print_r($a);

usort($a, function ($a, $b) use ($order) {
    $t = array(true => -1, false => 1);
    $r = true;
    $k = 1;
    foreach ($order as $key => $value) {
        $k = ($value === 'asc') ? 1 : -1;
        $r = ($a[$key] < $b[$key]);
        if ($a[$key] !== $b[$key]) {
            return $t[$r] * $k;
        }

    }
    return $t[$r] * $k;
});

print_r($a);