code: public function format(Coordinate $coordinate): string
      {
          $lat = $coordinate->getLat();
          $lng = $coordinate->getLng();
  
          $latValue   = abs($lat);
          $latDegrees = (int)$latValue;
  
          $latMinutesDecimal = $latValue - $latDegrees;
          $latMinutes        = 60 * $latMinutesDecimal;
  
          $lngValue   = abs($lng);
          $lngDegrees = (int)$lngValue;
  
          $lngMinutesDecimal = $lngValue - $lngDegrees;
          $lngMinutes        = 60 * $lngMinutesDecimal;
  
          return sprintf(
              '%s%02d%s %s%s%s%s%s%03d%s %s%s%s',
              $this->getLatPrefix($lat),
              abs($latDegrees),
              $this->units[$this->unitType]['deg'],
              number_format($latMinutes, $this->digits, $this->decimalPoint, $this->decimalPoint),
              $this->units[$this->unitType]['min'],
              $this->getLatSuffix($lat),
              $this->separator,
              $this->getLngPrefix($lng),
              abs($lngDegrees),
              $this->units[$this->unitType]['deg'],
              number_format($lngMinutes, $this->digits, $this->decimalPoint, $this->decimalPoint),
              $this->units[$this->unitType]['min'],
              $this->getLngSuffix($lng)
          );
      }
docs: @param Coordinate $coordinate
  
  @return string