PHP Tutorial - PHP timezone_identifiers_list() Function






Definition

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

Syntax

PHP timezone_identifiers_list() Function has the following syntax.

timezone_identifiers_list(timezoneClassConstant,country);

Parameter

ParameterIs RequiredDescription
timezoneClassConstantOptional.DateTimeZone class constant
countryOptional.Two-letter ISO 3166-1 compatible country code

Possible values for timezoneClassConstant

  • 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




Return

PHP timezone_identifiers_list() Function returns an indexed array on success. FALSE on failure.

Example

Print all timezones in Africa


<?php
print_r(timezone_identifiers_list(1));
?>

The code above generates the following result.