(PHP 5.5.0, PHP 7, PECL >= 3.0.0a1)
IntlCalendar::setFirstDayOfWeek — Set the day on which the week is deemed to start
オブジェクト指向型
$dayOfWeek
)手続き型
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
.
cal
The IntlCalendar resource.
dayOfWeek
One of the constants IntlCalendar::DOW_SUNDAY
,
IntlCalendar::DOW_MONDAY
, …,
IntlCalendar::DOW_SATURDAY
.
Returns TRUE
on success. Failure can only happen due to invalid parameters.
例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";
上の例の出力は以下となります。
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