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PHP timezone_identifiers_list() Function

❮ PHP Date/Time Reference

Example

Print all timezones in Africa:

<?php
print_r(timezone_identifiers_list(1));
?>
Try it Yourself »

Definition and Usage

The timezone_identifiers_list() returns an indexed array containing all timezone identifiers.


Syntax

timezone_identifiers_list(what, country)

Parameter Values

Parameter Description
what Optional. Specifies a DateTimeZone class constant

1 = AFRICA
2 = AMERICA
4 = ANTARCTICA
8 = ARCTIC
16 = ASIA
32 = ATLANTIC
64 = AUSTRALIA
128 = EUROPE
256 = INDIAN
512 = PACIFIC
1024 = UTC
2047 = ALL
4095 = ALL_WITH_BC
4096 = PER_COUNTRY
country Optional. Specifies a two-letter ISO 3166-1 compatible country code


Technical Details

Return Value: Returns an indexed array on success. FALSE on failure
PHP Version: 5.2+
PHP Changelog: PHP 5.3: The optional what and country parameters were added

❮ PHP Date/Time Reference