Online PHP editor | output for uXf8d

@ 2016-06-13T19:44:05Z

<?php

echo date_default_timezone_get();
echo "\n\n";

$dateTime = new DateTime('2016-10-29 10:00:00'); // back one hour
echo $dateTime->format(DateTime::RFC3339);
echo "\n";
$dateTime->add(new DateInterval('PT23H'));
echo $dateTime->format(DateTime::RFC3339);
echo "\n\n";

$dateTime = new DateTime('2016-03-26 10:00:00'); // forward one hour
echo $dateTime->format(DateTime::RFC3339);
echo "\n";
$dateTime->add(new DateInterval('PT23H'));
echo $dateTime->format(DateTime::RFC3339);
echo "\n\n";

$dateTime = new DateTime('2016-05-26 10:00:00'); // no DST change
echo $dateTime->format(DateTime::RFC3339);
echo "\n";
$dateTime->add(new DateInterval('PT23H'));
echo $dateTime->format(DateTime::RFC3339);

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Europe/Amsterdam 2016-10-29T10:00:00+02:00 2016-10-30T08:00:00+01:00 2016-03-26T10:00:00+01:00 2016-03-27T10:00:00+02:00 2016-05-26T10:00:00+02:00 2016-05-27T09:00:00+02:00
Output for 5.5.8 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30: Europe/Amsterdam 2016-10-29T10:00:00+02:00 2016-10-30T08:00:00+01:00 2016-03-26T10:00:00+01:00 2016-03-27T09:00:00+02:00 2016-05-26T10:00:00+02:00 2016-05-27T09:00:00+02:00
Output for 7.3.32 - 7.3.33, 8.0.13: UTC 2016-10-29T10:00:00+00:00 2016-10-30T09:00:00+00:00 2016-03-26T10:00:00+00:00 2016-03-27T09:00:00+00:00 2016-05-26T10:00:00+00:00 2016-05-27T09:00:00+00:00
Output for 5.5.0 - 5.5.7: Europe/Amsterdam 2016-10-29T10:00:00+02:00 2016-10-30T09:00:00+01:00 2016-03-26T10:00:00+01:00 2016-03-27T09:00:00+02:00 2016-05-26T10:00:00+02:00 2016-05-27T09:00:00+02:00

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