3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = ~$a; echo $a.", ".$b."\n"; echo strlen($a)."\n"; echo strlen($b)."\n";
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1, -2 1 2