Php/docs/intlcalendar.setfirstdayofweek
IntlCalendar::setFirstDayOfWeek
(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)
IntlCalendar::setFirstDayOfWeek — Set the day on which the week is deemed to start
说明
面向对象风格
public IntlCalendar::setFirstDayOfWeek
( int $dayOfWeek
) : bool
过程化风格
intlcal_set_first_day_of_week
( IntlCalendar $cal
, int $dayOfWeek
) : bool
Defines the day of week deemed to start the week. This affects the behavior
of fields that depend on the concept of week start and end such as
IntlCalendar::FIELD_WEEK_OF_YEAR and
IntlCalendar::FIELD_YEAR_WOY.
参数
cal- The IntlCalendar resource.
dayOfWeek- One of the constants
IntlCalendar::DOW_SUNDAY,IntlCalendar::DOW_MONDAY, …,IntlCalendar::DOW_SATURDAY.
返回值
Returns true on success. Failure can only happen due to invalid parameters.
范例
Example #1 IntlCalendar::setFirstDayOfWeek()
<?phpini_set('date.timezone', 'Europe/Lisbon');ini_set('intl.default_locale', 'es_ES');$cal = IntlCalendar::createInstance();$cal->set(2013, 5 /* June */, 30); // A Sundayvar_dump($cal->getFirstDayOfWeek()); // 2 (Monday)echo IntlDateFormatter::formatObject($cal, <<<EOD'local day of week: 'cc'week of month : 'W'week of year : 'wwEOD), "\n";$cal->setFirstDayOfWeek(IntlCalendar::DOW_SUNDAY);echo IntlDateFormatter::formatObject($cal, <<<EOD'local day of week: 'cc'week of month : 'W'week of year : 'wwEOD), "\n";
以上例程会输出：
int(2) local day of week: 7 week of month : 4 week of year : 26 local day of week: 1 week of month : 5 week of year : 27
