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
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
vvhello