IntlCalendar::setFirstDayOfWeek

(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

IntlCalendar::setFirstDayOfWeekSet the day on which the week is deemed to start

Beschreibung

Objektorientierter Stil

public IntlCalendar::setFirstDayOfWeek(int $dayOfWeek): bool

Prozeduraler Stil

intlcal_set_first_day_of_week(IntlCalendar $calendar, 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.

Parameter-Liste

calendar

Eine IntlCalendar-Instanz.

dayOfWeek

One of the constants IntlCalendar::DOW_SUNDAY, IntlCalendar::DOW_MONDAY, …, IntlCalendar::DOW_SATURDAY.

Rückgabewerte

Gibt immer true zurück.

Beispiele

Beispiel #1 IntlCalendar::setFirstDayOfWeek()

<?php
ini_set
('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'es_ES');

$cal = IntlCalendar::createInstance();
$cal->set(2013, 5 /* June */, 30); // A Sunday

var_dump($cal->getFirstDayOfWeek()); // 2 (Monday)

echo IntlDateFormatter::formatObject($cal, <<<EOD
'local day of week: 'cc'
week of month : 'W'
week of year : 'ww
EOD
),
"\n";

$cal->setFirstDayOfWeek(IntlCalendar::DOW_SUNDAY);

echo
IntlDateFormatter::formatObject($cal, <<<EOD
'local day of week: 'cc'
week of month : 'W'
week of year : 'ww
EOD
),
"\n";

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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

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