IntlCalendar::isSet() - IntlCalendar类
IntlCalendar::isSet()
(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)
Whether a field is set
说明
面向对象风格publicIntlCalendar::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
$calThe IntlCalendar resource.
$field One of the IntlCalendar date/time field constants. These are integer values between0and 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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