3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define("FALSE", true); if (TRUE) { echo "TRUEB"; } else { echo "FALSEB"; }
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
TRUEB
Output for hhvm-3.10.0 - 3.12.0
Notice: Constant FALSE already defined in /in/g3P4t on line 3 TRUEB