3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $c='count'; $a=$_COOKIE; echo($a[0]) ?>
Output for 5.3.0 - 7.1.7
Notice: Undefined offset: 0 in /in/l2DiL on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/l2DiL on line 4