3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = ''; if (! isset($var) || $var) { echo "empty or not defiend or a null value"; } else { echo "not empty"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
not empty