//public void __construct(string isostr, int options = 0)
//{
// // https://en.wikipedia.org/wiki/ISO_8601#Repeating_intervals
// // "R5/2008-03-01T13:00:00Z/P1Y2M10DT2H30M"
// throw new NotImplementedException();
//}
IEnumerator <DateTimeInterface> IEnumerable <DateTimeInterface> .GetEnumerator()
{
var current = DateTimeImmutable.createFromInterface(start);
if (include_start_date)
{
yield return(current);
}
if (end == null && recurrences == 0)
{
yield break;
}
if (interval.IsZero)
{
yield break;
}
for (int index = 0; ; index++)
{
current = current.add(interval);
if (end != null && DateTimeFunctions.CompareTime(current, end) > 0)
{
yield break;
}
if (index >= recurrences)
{
yield break;
}
//
yield return(current);
}
}
int IPhpComparable.Compare(PhpValue obj) => DateTimeFunctions.CompareTime(this.Time, obj);