IntlCalendar::isSet

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

IntlCalendar::isSet — Whether a field is set

说明

面向对象风格

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

过程化风格

intlcal_is_set ( IntlCalendar $cal , 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.

参数

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

返回值

Assuming there are no argument errors, returns TRUE iif the field is set.

范例

See the example on IntlCalendar::clear().

参见

IntlCalendar::clear() - Clear a field or all fields
IntlCalendar::set() - Set a time field or several common fields at once

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