3v4l.org

run code in 200+ php & hhvm versions
<?php function foo() { return [null, null]; } var_dump(list($a, $b) = foo()); var_dump((bool)[null, null]);
based on IfL7d
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.2.6
array(2) { [0]=> NULL [1]=> NULL } bool(true)