IntlCalendar::roll

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

IntlCalendar::roll — Add 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.

Bağımsız Değişkenler

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, 5 /* June */, 30);

$cal->add(IntlCalendar::FIELD_DAY_OF_MONTH, 1);
var_dump(IntlDateFormatter::formatObject($cal)); // "01/07/2013, 00:00:00"

$cal->set(2013, 5 /* June */, 30);
$cal->roll(IntlCalendar::FIELD_DAY_OF_MONTH, true); // roll up, same as rolling +1
var_dump(IntlDateFormatter::formatObject($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"

Ayrıca Bakınız

IntlCalendar::add() - Add a (signed) amount of time to a field
IntlCalendar::set() - Set a time field or several common fields at once

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