3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "0"; echo empty($a),"\n"; var_dump("" == "0"); var_dump(FALSE == ""); var_dump(FALSE == "0");
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 bool(false) bool(true) bool(true)
Output for hhvm-3.10.0

Process exited with code 153.