AlgoliaSearch\IndexBrowser::valid PHP Method

    public function valid()
    {
        do {
            if ($this->position < count($this->answer['hits'])) {
                $this->hit = $this->answer['hits'][$this->position];
                $this->position++;
                return true;
            }
            if (isset($this->answer['cursor']) && $this->answer['cursor']) {
                $this->position = 0;
                $this->doQuery($this->answer['cursor']);
                continue;
            }
            return false;
        } while (true);
    }