timezone_identifiers_list

Function • Params and return types changed in PHP 8.0

Alias of DateTimeZone::listIdentifiers.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

timezone_identifiers_list Function synopsis

timezone_identifiers_list(int $timezoneGroup = DateTimeZone::ALL, ?string $countryCode = null): array

Parameters

$timezoneGroup

OptionalTypeintDefault valueDateTimeZone::ALL

$countryCode

OptionalType?stringDefault valuenull

Return value

Typearray

Changes to the timezone_identifiers_list Function

PHP 8.0

  • Return type added: array
  • Parameter name of parameter #1 changed: $what to $timezoneGroup
  • Parameter type added for parameter #1 ($timezoneGroup): int
  • Parameter default value added for position #1 ($timezoneGroup): DateTimeZone::ALL
  • Parameter name of parameter #2 changed: $country to $countryCode
  • Parameter type added for parameter #2 ($countryCode): ?string
  • Parameter default value added for position #2 ($countryCode): null
- timezone_identifiers_list($what, $country)
+ timezone_identifiers_list(int $timezoneGroup = DateTimeZone::ALL, ?string $countryCode = null): array

timezone_identifiers_list Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes