app/Helpers/CollectionHelper.php
use Illuminate\Support\Collection; class CollectionHelper{ public static function sortByCollator($collect, $callback, $options = \Collator::SORT_STRING, $descending = false) { $results = []; $callback = static::valueRetriever($callback); foreach ($collect->all() as $key => $value) { $results[$key] = $callback($value, $key); } static::getCollator()->asort($results, $options); if ($descending) { $results = array_reverse($results); } foreach (array_keys($results) as $key) { $results[$key] = $collect->get($key); } return new Collection($results); } //}