SymfonyWorld Online 2022 Winter Edition

IntlCalendar::roll

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

IntlCalendar::rollAdd value to field without carrying into more significant fields

Açıklama

Nesne yönelimli kullanım

public IntlCalendar::roll(int $field, int|bool $value): bool

Yordamsal kullanım

intlcal_roll(IntlCalendar $calendar, int $field, int|bool $value): bool

Adds a (signed) amount to a field. The difference with respect to IntlCalendar::add() is that when the field value overflows, it does not carry into more significant fields.

Değiştirgeler

calendar

IntlCalendar örneği.

field

IntlCalendar tarih/zaman allan sabitlerinden biri. Bu tamsayı değerler 0 ile IntlCalendar::FIELD_COUNT arasındadır.

value

The (signed) amount to add to the field, true for rolling up (adding 1), or false for rolling down (subtracting 1).

Dönen Değerler

Returns true on success or false on failure.

Örnekler

Örnek 1 IntlCalendar::roll()

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

$cal = new IntlGregorianCalendar(2013/* June */30);

$cal->add(IntlCalendar::FIELD_DAY_OF_MONTH1);
var_dump(IntlDateFormatter::formatObject($cal)); // "01/07/2013, 00:00:00"

$cal->set(2013/* June */30);
$cal->roll(IntlCalendar::FIELD_DAY_OF_MONTHtrue); // roll up, same as rolling +1
var_dump(IntlDateFormatter::formatObject($cal)); // "01/06/2013, 00:00:00"

Yukarıdaki örneğin çıktısı:

string(20) "01/07/2013, 00:00:00"
string(20) "01/06/2013, 00:00:00"

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