code: public static function write($messages, $style = '', $length = 0, $suffix = '')
      {
          if (self::$silent) {
              return;
          }
          if (!is_array($messages)) {
              $messages = [(string)$messages];
          }
          if (count($messages) > 0) {
              foreach ($messages as $message) {
                  if ($length > 0) {
                      $message = str_pad($message, $length, ' ', STR_PAD_RIGHT);
                  }
                  print(Style::applyStyle($message, $style));
                  if ($suffix != '') {
                      print($suffix);
                  }
              }
          }
      }
docs: Write messages.
  
  @param string|array $messages
  @param string $style Default '' which means 'normal'.
  @param integer $length Default 0 which means not fixed length. $messages NOT shortened.
  @param string $suffix Default ''.