(PHP 5 >= 5.1.0)
timezone_identifiers_list — Returns numerically index array with all timezone identifiers
Returns array on success or FALSE on failure.
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