DateTimeZone::getTransitions

timezone_transitions_get

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

DateTimeZone::getTransitions -- timezone_transitions_get — Returns all transitions for the timezone

说明

面向对象风格

public DateTimeZone::getTransitions(int $timestampBegin = PHP_INT_MIN, int $timestampEnd = PHP_INT_MAX): array|false

过程化风格

timezone_transitions_get(DateTimeZone $object, int $timestampBegin = PHP_INT_MIN, int $timestampEnd = PHP_INT_MAX): array|false

参数

object

仅过程化风格：由 timezone_open() 返回的 DateTimeZone 对象。

timestampBegin

Begin timestamp.

timestampEnd

End timestamp.

返回值

Returns a numerically indexed array of transition arrays on success, 或者在失败时返回 false.

Transition Array Structure
Key Type Description
ts int Unix timestamp
time string DateTimeInterface::ISO8601 time string
offset int Offset to UTC in seconds
isdst bool Whether daylight saving time is active
abbr string Timezone abbreviation

范例

示例 #1 A timezone_transitions_get() example

<?php
$timezone = new DateTimeZone("Europe/London");
$transitions = $timezone->getTransitions();
print_r(array_slice($transitions, 0, 3));
?>

以上例程的输出类似于：

Array
(
    [0] => Array
        (
            [ts] => -9223372036854775808
            [time] => -292277022657-01-27T08:29:52+0000
            [offset] => 3600
            [isdst] => 1
            [abbr] => BST
        )

    [1] => Array
        (
            [ts] => -1691964000
            [time] => 1916-05-21T02:00:00+0000
            [offset] => 3600
            [isdst] => 1
            [abbr] => BST
        )

    [2] => Array
        (
            [ts] => -1680472800
            [time] => 1916-10-01T02:00:00+0000
            [offset] => 0
            [isdst] => 
            [abbr] => GMT
        )

)