3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(datetime::createFromFormat('!U H', '3600 01')->getTimestamp());

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
int(7200)

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