3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(!$a && $b);
based on fL6t2
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: a in /in/lac8k on line 3 Notice: Undefined variable: b in /in/lac8k on line 3 bool(false)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/lac8k on line 3 Notice: Undefined variable: b in /in/lac8k on line 3 bool(false)