3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(date_default_timezone_get()); $time1 = time(); var_dump($time1); date_default_timezone_set("America/Los_Angeles"); var_dump(date_default_timezone_get()); $time2 = time(); var_dump($time2); var_dump($time1 === $time2);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.21, 8.1.0 - 8.1.8, 8.2.5
string(16) "Europe/Amsterdam" int(1658328577) string(19) "America/Los_Angeles" int(1658328577) bool(true)
preferences:
155.12 ms | 403 KiB | 169 Q