# IntlCalendar::setTime

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

IntlCalendar::setTime — Set the calendar time in milliseconds since the epoch

### 说明

面向对象风格

public IntlCalendar::setTime(float `$timestamp`): bool

过程化风格

intlcal_set_time(IntlCalendar `$calendar`, float `$timestamp`): bool

Sets the instant represented by this object. The instant is represented by a float whose value should be an integer number of milliseconds since the epoch (1 Jan 1970 00:00:00.000 UTC), ignoring leap seconds. All the field values will be recalculated accordingly.

### 参数

`calendar`

  IntlCalendar 实例。

`timestamp`

  An instant represented by the number of number of milliseconds between such instant and the epoch, ignoring leap seconds.

### 返回值

Returns `true` on success and `false` on failure.

### 示例

示例 #1 IntlCalendar::setTime()

`<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'fr_FR');
$cal = new IntlGregorianCalendar(2013, 5 /* May */, 1, 12, 0, 0);
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
/* In Europe/Lisbon, on 2013-10-27 at 0200, the clock goes back one hour and
the timezone from UTC+01 to UTC+00 */
$cal->setTime(strtotime('2013-10-27 00:30:00 UTC') * 1000.);
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";
$cal->setTime(strtotime('2013-10-27 01:30:00 UTC') * 1000.);
echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";`

以上示例会输出：

    samedi 1 juin 2013 12:00:00 heure avancée d’Europe de l’Ouest
    dimanche 27 octobre 2013 01:30:00 heure avancée d’Europe de l’Ouest
    dimanche 27 octobre 2013 01:30:00 heure normale d’Europe de l’Ouest

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