3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $Z=0; if ($Z != ""){ echo "true"; } else{ echo "false"; }
based on VVvdj
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
false