(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1)
IntlCalendar::isSet — Whether a field is set
オブジェクト指向型
$field
)手続き型
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.
cal
The IntlCalendar resource.
field
IntlCalendar の日付/時刻 フィールド定数 のいずれか。
0 から
IntlCalendar::FIELD_COUNT
までの間の整数値です。
Assuming there are no argument errors, returns TRUE
iif the field is set.
See the example on IntlCalendar::clear().