class.ilAbstractUsersGalleryUserCollectionSorter.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/User/Gallery/interfaces/interface.ilUsersGalleryUserCollectionSorter.php';

abstract class ilAbstractUsersGalleryUserCollectionSorter implements ilUsersGalleryUserCollectionSorter
{
    abstract protected function compare(ilUsersGalleryUser $left, ilUsersGalleryUser $right);

    final public function sort(array $users)
    {
        $that = $this;
        uasort($users, function (ilUsersGalleryUser $left, ilUsersGalleryUser $right) use ($that) {
            return $that->compare($left, $right);
        });

        return $users;
    }
}