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

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


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


IntlCalendar örneği.


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


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.


Örnek 1 IntlCalendar::roll()

('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"

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