3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('2017-03-26 1:59:59', new DateTimeZone('Europe/Prague')); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; $date->modify('+ 1 second')->modify('- 1 second'); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; echo "\n"; $date = new DateTime('2016-10-30 1:59:59', new DateTimeZone('Europe/Prague')); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; $date->modify('+ 1 second'); echo $date->format('Y-m-d H:i:s T') . PHP_EOL;
Output for 8.1.7 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2017-03-26 01:59:59 CET 2017-03-26 03:59:59 CEST 2016-10-30 01:59:59 CEST 2016-10-30 02:00:00 CEST
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.6
2017-03-26 01:59:59 CET 2017-03-26 03:59:59 CEST 2016-10-30 01:59:59 CEST 2016-10-30 02:00:00 CET

preferences:
168.87 ms | 403 KiB | 214 Q