(PHP 5 >= 5.2.0, PHP 7)
DateTimeZone::listAbbreviations -- timezone_abbreviations_list — Returns associative array containing dst, offset and the timezone name
Object oriented style
public static DateTimeZone::listAbbreviations ( ) : array
Procedural style
timezone_abbreviations_list ( ) : array
Note:
The data for this function are precompiled for performance reasons, and are not updated when using a newer » timezonedb.
Returns the array of timezone abbreviations.
Example #1 A timezone_abbreviations_list() example
<?php $timezone_abbreviations = DateTimeZone::listAbbreviations(); print_r($timezone_abbreviations["acst"]); ?>
The above example will output something similar to:
Array
(
[0] => Array
(
[dst] => 1
[offset] => -14400
[timezone_id] => America/Porto_Acre
)
[1] => Array
(
[dst] => 1
[offset] => -14400
[timezone_id] => America/Eirunepe
)
[2] => Array
(
[dst] => 1
[offset] => -14400
[timezone_id] => America/Rio_Branco
)
[3] => Array
(
[dst] => 1
[offset] => -14400
[timezone_id] => Brazil/Acre
)
)
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https://www.php.net/manual/en/datetimezone.listabbreviations.php