Lime\Response::flush PHP Method

    public function flush()
    {
        if (!headers_sent($filename, $linenum)) {
            if ($this->nocache) {
                header("Cache-Control: no-cache, must-revalidate");
                // HTTP/1.1
                header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
                header('Pragma: no-cache');
            }
            if ($this->etag) {
                header('ETag: "' . md5($this->body) . '"');
            }
            header('HTTP/1.0 ' . $this->status . ' ' . App::$statusCodes[$this->status]);
            header('Content-type: ' . App::$mimeTypes[$this->mime]);
            foreach ($this->headers as $h) {
                header($h);
            }
            echo is_array($this->body) ? json_encode($this->body) : $this->body;
        }
    }