3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = Array('b' => 'okokokok'); if((isset($a['b']['ok']))) { echo $a['b']['ok']; // Print 0 } else { echo "else"; }
Output for 5.0.0 - 5.0.2, 5.4.0 - 7.1.0
else
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.3.29
o