IntlCalendar::isSet
(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::isSet — Whether a field is set
说明
面向对象风格
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
calendar-
IntlCalendar 实例。
field-
One of the IntlCalendar date/time field constants. These are integer values between
0andIntlCalendar::FIELD_COUNT.
返回值
Assuming there are no argument errors, returns true if the field is set.
示例
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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