SyntaxError::ErrorMessage PHP Method

    private static function ErrorMessage($p_errorCode)
    {
        return $p_errorCode;
    }

 public function getMessage()
 {
     if (is_null($this->m_errorCode)) {
         return null;
     }
     $errorMessage = getGS(SyntaxError::ErrorMessage($this->m_errorCode), $this->m_what);
     if (is_null($errorMessage)) {
         return null;
     }
     if (isset($this->m_templateName)) {
         $message .= getGS('template') . ' ' . $this->m_templateName;
         if (isset($this->m_line)) {
             $message .= ', ' . getGS('line') . ' ' . $this->m_line;
         }
         $message .= ': ';
     }
     $message .= $errorMessage;
     return $message;
 }