sort laravel eloquent

$collection = collect([5, 3, 1, 2, 4]);

$sorted = $collection->sortDesc();

$sorted->values()->all();

// [5, 4, 3, 2, 1]

$collection = collect([5, 3, 1, 2, 4]);

$sorted = $collection->sort();

$sorted->values()->all();

// [1, 2, 3, 4, 5]

$go = $go->sort(function ($a, $b) use ($order) {
  $pos_a = array_search($a->colour, $order);
  $pos_b = array_search($b->colour, $order);
  return $pos_a - $pos_b;
});