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
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