3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 10; echo ($a < ++$a)."vv"; $b = 11; if (10 < 11 || 11 < 12) print "hello"; else print "hi";
based on iAZPM

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

Output for Arrow functions
vvhello

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