(no version information, might be only in CVS)
HttpRequest::getResponseHeader -- Get response header(s)
( [string name] )
Get response header(s) after the request has been sent.
If redirects were allowed and several responses were received, the data
references the last received response.
Returns either a string with the value of the header matching name if requested,
FALSE on failure, or an associative array containing all response headers.