php timezone

timezone.test.php

<?php
/**
 * install timezonedb
 *
 * 1. apt-get install php7.0-dev
 * 2. pecl install timezonedb
 * 3. You should add "extension=timezonedb.so" to php.ini
 *
 */

echo $t = '15 Sep 2016 15:48:04 GMT+02:00';
echo $t = '12 Jul 2017 10:44:29 BDT';
echo $t = 'Feb 5, 2017 11:58:27 PM PST';
echo $t = '2017/07/09 16:18:24 JST';
echo $t = 'Jul 2, 2017 10:06:36 PM PDT';
echo $t = '2017-07-18T21:24:41.6565053 +08:00';
echo $t = 'Feb 5, 2017 11:58:27 PM BDT';
echo $t = '21 Oct 2016 23:52:59 GMT+02:00';
echo $t = '2017/07/09 16:18:24 ACT';
echo $t = str_replace('MEST', 'MET', '2017/07/09 16:18:24 MEST');

echo "\n";
$a = new DateTime($t);
$a->setTimeZone(new DateTimeZone('UTC'));
print_r($a);
echo "\n";


// If you get MEST/CEST, you should replace to MET/CET first.
// $t = str_replace(['MEST', 'CEST'], ['MET', 'CET'], $t);