3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 3.14; $b = null; $x = $a - $b; var_dump($x);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
float(3.14)