HttpResponse class is only available for PHP >= 5.1
+HttpResponse::getHeader() does not work in Apache2 with a PHP version
+lower than 5.1.3 (as mod_php).
+
If you keep getting "SSL connect error" when trying to issue requests on
Windows, try another (newer) libeay32.dll/ssleay32.dll pair.
* header to read. If the parameter is empty or omitted, an associative array
* with all headers will be returned.
*
+ * NOTE: In Apache2 this only works for PHP-5.1.3 and greater.
+ *
* Returns either a string containing the value of the header matching name,
* FALSE on failure, or an associative array with all headers.
*/