2205         $err_msg = '';
2207         if ( !$this->_readURL($validate_url, $headers, $text_response, $err_msg) ) {
2209                 'could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')'
2283         $err_msg = '';
2285         if ( !$this->_readURL($validate_url, $headers, $text_response, $err_msg) ) {
2287                 'could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')'
2922     public function retrievePT($target_service,&$err_code,&$err_msg)  argument
2934         $err_msg = '';
2943         if ( !$this->_readURL($cas_url, $headers, $cas_response, $err_msg) ) {
2945                 'could not open URL \''.$cas_url.'\' to validate ('.$err_msg.')'
2948             $err_msg = 'could not retrieve PT (no response from the CAS server)';
2992                     $err_msg = '';
3008                 $err_msg = 'PT retrieving failed (code=`'
3023         $err_msg = 'Invalid response from the CAS server (response=`'
3054     private function _readURL($url, &$headers, &$body, &$err_msg)  argument
3092             $err_msg = '';
3098             $err_msg = $request->getErrorMessage();
3211         $pt = $this->retrievePT($url, $err_code, $err_msg);
3213             throw new CAS_ProxyTicketException($err_msg, $err_code);
3282     public function serviceMail($url,$serviceUrl,$flags,&$err_code,&$err_msg,&$pt)  argument
3307             $err_msg = $e->getMessage();
3313             $err_msg = sprintf(
3456         if ( !$this->_readURL($validate_url, $headers, $text_response, $err_msg) ) {
3458                 'could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')'
4174     * @param string $err_msg      the error message given by the CAS server
4185         $err_msg=''  argument
4212                             'Reason: ['.$err_code.'] CAS error: '.$err_msg