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<IntlCalendar::isLenientIntlCalendar::isWeekend>
^IntlCalendarLast updated: Mon, 26 Oct 2026

IntlCalendar::isSet

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

IntlCalendar::isSet — Whether a field is set

Description

Object-oriented style

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

Procedural style

function 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.

Parameters

calendar

An IntlCalendar instance.

field

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.

Examples

See the example on IntlCalendar::clear().

See Also


<IntlCalendar::isLenientIntlCalendar::isWeekend>
^IntlCalendarLast updated: Mon, 26 Oct 2026