# timezone_identifiers_list

(PHP 5 >= 5.1.0)

timezone_identifiers_list — Returns numerically index array with all timezone identifiers

### Description

array timezone_identifiers_list ( void )
array DateTimeZone::listIdentifiers ( void )

### Return Values

Returns array on success or `FALSE` on failure.

### Examples

Example#1 A timezone_identifiers_list() example

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

The above example will output something similar to:

    Africa/Abidjan
    Africa/Accra
    Africa/Addis_Ababa
    Africa/Algiers
    Africa/Asmera

### See Also

- timezone_abbreviations_list()