3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = array('a' => 1,); $check = false; $check &= $test['b']; var_dump($check);
Output for 5.3.0 - 7.1.0
Notice: Undefined index: b in /in/NS8Kb on line 6 int(0)
Output for 4.3.0 - 5.2.17
Notice: Undefined index: b in /in/NS8Kb on line 6 int(0)