(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

IntlCalendar::isSetWhether a field is set


Object-oriented style

public IntlCalendar::isSet(int $field): bool

Procedural style

intlcal_is_set(IntlCalendar $calendar, int $field): bool

Returns whether a field is set (as opposed to clear). Set fields take priority over unset fields and their default values when the date/time is being calculated. Fields set later take priority over fields set earlier.



An IntlCalendar instance.


One of the IntlCalendar date/time field constants. These are integer values between 0 and IntlCalendar::FIELD_COUNT.

Return Values

Assuming there are no argument errors, returns true if the field is set.


See the example on IntlCalendar::clear().

See Also

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