src/getjump/Vk/Wrapper/Friends.php
public function get($userId, $fields = false)
    {
        return $this->vk->param('user_id', $userId)
            ->param('fields', $this->fieldsToString($fields), null)
            ->param('order', 'hints')
            ->createAs(function ($d) {
                return new User($d);
            })
            ->request('friends.get');
    }
public function get($userId, $fields = false)
    {
        return $this->vk->param('user_id', $userId)
            ->param('fields', $this->fieldsToString($fields), null)
            ->param('order', 'hints')
            ->createAs(function ($d) {
                return new User($d);
            })
            ->request('friends.get');
    }
Return friends of a user with $userId.

@param int|string $userId
@param bool       $fields

@return Api|RequestTransaction