Kelpie\Server\Response::getIterator PHP Метод

    public function getIterator()
    {
        $it = new \AppendIterator();
        $it->append(new \ArrayIterator(array($this->head())));
        if (is_string($this->_body)) {
            $it->append(new \ArrayIterator(array($this->_body)));
        } elseif (is_array($this->_body)) {
            $it->append(new \ArrayIterator($this->_body));
        } elseif ($this->_body instanceof Iterator) {
            $it->append($this->_body);
        }
        return $it;
    }