3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set("Europe/London"); $dt = new DateTimeImmutable("2021-03-28T02:00"); var_dump( $dt->format("c"), $dt->modify('-1 hour')->format("c") );
Output for git.master, git.master_jit, rfc.property-hooks
string(25) "2021-03-28T02:00:00+01:00" string(25) "2021-03-28T02:00:00+01:00"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
65.09 ms | 401 KiB | 8 Q