Phly\Http\PhpInputStream::read PHP Метод

    public function read($length)
    {
        $content = parent::read($length);
        if ($content && !$this->reachedEof) {
            $this->cache .= $content;
        }
        if ($this->eof()) {
            $this->reachedEof = true;
        }
        return $content;
    }