IntlCalendar
PHP 手册

IntlCalendar::isSet

(PHP 5.5.0, PECL >= 3.0.0a1)

IntlCalendar::isSetWhether a field is set

说明

public bool IntlCalendar::isSet ( int $field )

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

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
PHP 手册