panti-asuhan-app/lib/services/other_function.dart

class OtherFunction {
  int umur(String tanggalLahir) {
    // change tanggalLahir to DateTime
    DateTime date = DateTime.parse(tanggalLahir);
    // get current date
    DateTime now = DateTime.now();
    // get difference in year
    int year = now.year - date.year;
    return year;
  }
}