>
> >> 2. DateInterval->days
> >>
> >> $interval = (new DateTime())->diff(new DateTime());
> >> var_dump($interval->days); // 0
> >> $refl = (new ReflectionObject($interval))->getProperty('days');
> >> var_dump($refl->isReadOnly()); // false
> >> var_dump($refl->isPublic()); // true
> >> $interval->days = 2;
> >> var_dump($interval->days); // 0
> >>
> > The DateInterval properties are currently implemented as getters/setters
> on
> > some internal state. Some of those are getter-only, but probably not
> fully
> > immutable.
>
> I was referring to the property "days" only as this is a non writable
> value generated on "DateTime->diff".
>
> As you can see in the snipped it doesn't allow to modify days but it
> also doesn't fail which seems wrong to me.
>
> I don't have much knowledge about internals but would it be possible to
> define "public readonly int|false $days" not using getters/setters and
> keep all other properties as it?
>
Hi,
FWIW, I too agree that [$interval->days, $interval->days = 2,
$interval->days] giving [0, 2, 0] without any warning (or
https://3v4l.org/h8Cju for a variation) seems wrong.
Regards,
--
Guilliam Xavier
