GraphQL\Examples\Blog\Data\DataSource::findLikes PHP Method

    public static function findLikes($storyId, $limit)
    {
        $likes = isset(self::$storyLikes[$storyId]) ? self::$storyLikes[$storyId] : [];
        $result = array_map(function ($userId) {
            return self::$users[$userId];
        }, $likes);
        return array_slice($result, 0, $limit);
    }