IntlCalendar::add

(PHP 5.5.0, PECL >= 3.0.0a1)

IntlCalendar::addAdd a (signed) amount of time to a field

Descripción

Estilo orientado a objetos

public bool IntlCalendar::add ( int $field , int $amount )

Estilo por procedimientos

bool intlcal_add ( IntlCalendar $cal , int $field , int $amount )

Add a signed amount to a field. Adding a positive amount allows advances in time, even if the numeric value of the field decreases (e.g. when working with years in BC dates).

Other fields may need to adjusted – for instance, adding a month to the 31st of January will result in the 28th (or 29th) of February. Contrary to IntlCalendar::roll(), when a value wraps around, more significant fields may change. For instance, adding a day to the 31st of January will result in the 1st of February, not the 1st of Janurary.

Parámetros

cal

The IntlCalendar resource.

field

Una de las constantes del campo fecha/hora de IntlCalendar. Son valores de tipo integer entre 0 y IntlCalendar::FIELD_COUNT.

amount

The signed amount to add to the current field. If the amount is positive, the instant will be moved forward; if it is negative, the instant wil be moved into the past. The unit is implicit to the field type. For instance, hours for IntlCalendar::FIELD_HOUR_OF_DAY.

Valores devueltos

Returns TRUE on success o FALSE en caso de error.

Ejemplos

Ejemplo #1 IntlCalendar::add()

<?php
ini_set
('intl.default_locale''fr_FR');
ini_set('date.timezone''UTC');

$cal = new IntlGregorianCalendar(2012/* January */31);
echo 
IntlDateFormatter::formatObject($cal), "\n";

$cal->add(IntlCalendar::FIELD_MONTH1);
echo 
IntlDateFormatter::formatObject($cal), "\n";

$cal->add(IntlCalendar::FIELD_DAY_OF_MONTH1);
echo 
IntlDateFormatter::formatObject($cal), "\n";

El resultado del ejemplo sería:

31 janv. 2012 00:00:00
29 févr. 2012 00:00:00
1 mars 2012 00:00:00

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