| @@ -74,7 +74,7 @@ | ||
| 74 | 74 | public static function last_date($year, $month, $format = null) | 
| 75 | 75 |      { | 
| 76 | 76 | $format = $format ?? self::FORMAT; | 
| 77 | -        return date_format(new \DateTime("$year-$month-" . self::last_day($year, $month)), $format); | |
| 77 | +        return date_format(new \DateTime("$year-$month-".self::last_day($year, $month)), $format); | |
| 78 | 78 | } | 
| 79 | 79 | |
| 80 | 80 | public static function last_day($year, $month) |