3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTimeImmutable('@'.'1572764400'); var_dump($date->getTimestamp()); var_dump($date->setTimezone(new DateTimeZone('America/Chicago'))->getTimestamp()); var_dump($date->setTimezone(new DateTimeZone('America/Chicago'))->modify('+3599 seconds')->getTimestamp()); var_dump($date->setTimezone(new DateTimeZone('America/Chicago'))->modify('+3600 seconds')->getTimestamp()); var_dump($date->setTimezone(new DateTimeZone('America/Chicago'))->modify('+3601 seconds')->getTimestamp());
Output for 8.1.7 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
int(1572764400) int(1572764400) int(1572767999) int(1572768000) int(1572768001)
Output for 8.1.0 - 8.1.6
int(1572764400) int(1572764400) int(1572764399) int(1572768000) int(1572768001)
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(1572764400) int(1572760800) int(1572764399) int(1572768000) int(1572768001)
preferences:
133.16 ms | 409 KiB | 5 Q