* - compress: bool, whether to allow gzip/deflate content encoding
* (defaults to true)
* - port: int, use another port as specified in the url
- * - referer: string, the referer to sends
+ * - referer: string, the referer to send
* - useragent: string, the user agent to send
* (defaults to PECL::HTTP/version (PHP/version)))
* - headers: array, list of custom headers as associative array