3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = null; print_r(empty($string));
based on K0qVH
Output for 5.6.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.3.0beta1
1