Php/docs/intlcalendar.isset

来自菜鸟教程
跳转至:导航、​搜索

IntlCalendar::isSet

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

IntlCalendar::isSetWhether 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 if the field is set.


范例

See the example on IntlCalendar::clear().


参见