2922     public function retrievePT($target_service,&$err_code,&$err_msg)  argument
2947             $err_code = PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE;
2991                     $err_code = PHPCAS_SERVICE_OK;
3007                 $err_code = PHPCAS_SERVICE_PT_FAILURE;
3022         $err_code = PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE;
3211         $pt = $this->retrievePT($url, $err_code, $err_msg);
3213             throw new CAS_ProxyTicketException($err_msg, $err_code);
3232     public function serviceWeb($url,&$err_code,&$output)  argument
3247             $err_code = PHPCAS_SERVICE_OK;
3250             $err_code = $e->getCode();
3258             $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;
3282     public function serviceMail($url,$serviceUrl,$flags,&$err_code,&$err_msg,&$pt)  argument
3303             $err_code = PHPCAS_SERVICE_OK;
3308             $err_code = $e->getCode();
3318             $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;
4173     * @param int    $err_code     the error code given by the CAS server
4184         $err_code=-1,  argument
4208                     if ( $err_code === -1 ) {
4212                             'Reason: ['.$err_code.'] CAS error: '.$err_msg