IntlCalendar
PHP Manual

IntlCalendar::getFirstDayOfWeek

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

IntlCalendar::getFirstDayOfWeek — Get the first day of the week for the calendarʼs locale

説明

オブジェクト指向型

public int IntlCalendar::getFirstDayOfWeek ( void )

手続き型

int intlcal_get_first_day_of_week ( IntlCalendar $cal )

The week day deemed to start a week, either the default value for this locale or the value set with IntlCalendar::setFirstDayOfWeek().

パラメータ

cal

The IntlCalendar resource.

返り値

One of the constants IntlCalendar::DOW_SUNDAY, IntlCalendar::DOW_MONDAY, …, IntlCalendar::DOW_SATURDAY失敗した場合に FALSE を返します.

例

例1 IntlCalendar::getFirstDayOfWeek()

<?php
ini_set('date.timezone', 'UTC');

$cal1 = IntlCalendar::createInstance(NULL, 'es_ES');
var_dump($cal1->getFirstDayOfWeek()); // Monday
$cal1->set(2013, 1 /* February */, 3); // a Sunday
var_dump($cal1->get(IntlCalendar::FIELD_WEEK_OF_YEAR)); // 5

$cal2 = IntlCalendar::createInstance(NULL, 'en_US');
var_dump($cal2->getFirstDayOfWeek()); // Sunday
$cal2->set(2013, 1 /* February */, 3); // a Sunday
var_dump($cal2->get(IntlCalendar::FIELD_WEEK_OF_YEAR)); // 6

上の例の出力は以下となります。

int(2)
int(5)
int(1)
int(6)

参考

IntlCalendar
PHP Manual