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(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)
IntlCalendar::setTime — Set the calendar time in milliseconds since the epoch
面向对象风格
$timestamp): bool
过程化风格
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.
calendar
IntlCalendar 实例。
timestamp
An instant represented by the number of number of milliseconds between such instant and the epoch, ignoring leap seconds.
Returns true on success and false on failure.
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";
以上例程会输出：
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
