3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $what = [ 'a' => 1, 'b' => 2]; if ( $what['c'] === 2 && $what['c'] === 3 ) { echo 'hi'; }
based on F5F6Q
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
Notice: Undefined index: c in /in/Pl4et on line 5