Php/docs/intlcalendar.isset
来自菜鸟教程
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
andIntlCalendar::FIELD_COUNT
.
返回值
Assuming there are no argument errors, returns true
if the field is set.
参见
- IntlCalendar::clear() - Clear a field or all fields
- IntlCalendar::set() - Set a time field or several common fields at once