PHP - Sort multi-dimensional array by another array

Question

I\'m trying to sort a multi-dimensional array by another array, but have so far come up short.
array_multisort seems be working only for real sorting.

Suppose I

Answer 1

There is no built-in function for this in PHP and i am unable to think of any custom function, which would do this using usort. But array_map is simple enough, imo, so why not use it instead?

$sorted = array_map(function($v) use ($data) {
    return $data[$v - 1];
}, $order);