3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(NAN < 0); $x=NAN; var_dump($x < 0);

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

Output for Typed properties v2
bool(false) bool(false)

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