/**
* Change CURL options.
* CURL is used to connect through HTTPS to CAS server
*
* @param string $key the option key
* @param string $value the value to set
*
* @return void
*/
public static function setExtraCurlOption($key, $value)
{
phpCAS::traceBegin();
phpCAS::_validateClientExists();
self::$_PHPCAS_CLIENT->setExtraCurlOption($key, $value);
phpCAS::traceEnd();
}