DateTimeZone::listIdentifiers

timezone_identifiers_list

(PHP 5 >= 5.2.0, PHP 7)

DateTimeZone::listIdentifiers -- timezone_identifiers_listReturns a numerically indexed array containing all defined timezone identifiers

说明

面向对象风格

public static array DateTimeZone::listIdentifiers ([ int $what = DateTimeZone::ALL [, string $country = NULL ]] )

过程化风格

array timezone_identifiers_list ([ int $what = DateTimeZone::ALL [, string $country = NULL ]] )

参数

what

One of DateTimeZone class constants.

country

A two-letter ISO 3166-1 compatible country code.

Note: This option is only used when what is set to DateTimeZone::PER_COUNTRY.

返回值

Returns array on success 或者在失败时返回 FALSE.

更新日志

版本 说明
5.3.0 Added the optional what and country parameters.

范例

Example #1 A timezone_identifiers_list() example

<?php
$timezone_identifiers 
DateTimeZone::listIdentifiers();
for (
$i=0$i 5$i++) {
    echo 
"$timezone_identifiers[$i]\n";
}
?>

以上例程的输出类似于:

Africa/Abidjan
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara

参见

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User Contributed Notes 1 note

up
3
kalle at example dot com
3 months ago
Even though the manual currently says that the first parameter has to be "One of DateTimeZone class constants", you may actually combine these constants:

<?php
  $a
= DateTimeZone::listIdentifiers(DateTimeZone::AFRICA); //gives africa time zones
 
$b = DateTimeZone::listIdentifiers(DateTimeZone::AMERICA); //gives american time zones
 
$c = DateTimeZone::listIdentifiers(DateTimeZone::AFRICA | DateTimeZone::AMERICA); //gives both african and american time zones
?>

Be sure to use |, not ||.
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