3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($i = 1; $i <= 1000; $i++) { $x &= $i; }
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: x in /in/2cUgp on line 3
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: x in /in/2cUgp on line 3