IntlCalendar::getRepeatedWallTimeOption

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

IntlCalendar::getRepeatedWallTimeOption — Get behavior for handling repeating wall time

说明

面向对象风格

public IntlCalendar::getRepeatedWallTimeOption ( void ) : int

过程化风格

intlcal_get_repeated_wall_time_option ( IntlCalendar $cal ) : int

Gets the current strategy for dealing with wall times that are repeated whenever the clock is set back during dailight saving time end transitions. The default value is IntlCalendar::WALLTIME_LAST.

This function requires ICU 4.9 or later.

参数

cal

The IntlCalendar resource.

返回值

One of the constants IntlCalendar::WALLTIME_FIRST or IntlCalendar::WALLTIME_LAST.

范例

Example #1 IntlCalendar::getRepeatedWallTimeOption()

<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'en_US');
ini_set('intl.error_level', E_WARNING);

//On October 27th at 0200, the clock goes back 1 hour and from GMT+01 to GMT+00
$cal = new IntlGregorianCalendar(2013, 9 /* October */, 27, 1, 30);

var_dump($cal->getRepeatedWalltimeOption()); // 0 WALLTIME_LAST

$formatter = IntlDateFormatter::create(
    NULL,
    IntlDateFormatter::FULL,
    IntlDateFormatter::FULL,
    'UTC'
);
var_dump($formatter->format($cal->getTime() / 1000.));

$cal->setRepeatedWalltimeOption(IntlCalendar::WALLTIME_FIRST);
var_dump($cal->getRepeatedWalltimeOption()); // 1 WALLTIME_FIRST
$cal->set(IntlCalendar::FIELD_HOUR_OF_DAY, 1);

var_dump($formatter->format($cal->getTime() / 1000.));

以上例程会输出：

int(0)
string(42) "Sunday, October 27, 2013 at 1:30:00 AM GMT"
int(1)
string(43) "Sunday, October 27, 2013 at 12:30:00 AM GMT"

参见