3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = ['id' => null]; $b = empty($a); var_dump($b);
based on e1GrK
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
bool(false)