百科狗IntlCalendar::clear() - IntlCalendar类
IntlCalendar::clear()
(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)
Clear a field or all fields
说明
面向对象风格publicIntlCalendar::clear([int $field= NULL]): bool过程化风格
intlcal_clear(IntlCalendar$cal[,int $field= NULL]): bool
Clears either all of the fields or a specific field. A cleared field is marked as unset, giving it the lowest priority against overlapping fields or even default values when calculating the time. Additionally, its value is set to0, though given the fieldʼs low priority, its value may have been internally set to another value by the time the field has finished been queried.
参数
$calThe IntlCalendar resource.
$field One of the IntlCalendar date/time field constants. These are integer values between0and IntlCalendar::FIELD_COUNT.
返回值
Returns TRUE on success 或者在失败时返回FALSE. Failure can only occur is invalid arguments are provided.
范例
IntlCalendar::clear() examples
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