php time zones code example
Example 1: php default timezone
date_default_timezone_set("Asia/Kolkata");
// List of Supported Timezones https://www.php.net/manual/en/timezones.php
Example 2: how to get the list of available timezones in php
//To Get the list of timezones available in php
//use the static function listIdentifiers() on DateTimeZone class
$list = DateTimeZone::listIdentifiers();
print_r($list)
Example 3: php pakistan time zone
Asia/Karachi