3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('pippo' => 'franco', 'hello' => 'ciao'); if ($array[0] == 'all') { echo 'ok'; } else { echo 'nok'; }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 0 in /in/bkLqk on line 4 nok
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 0 in /in/bkLqk on line 4 nok
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/bkLqk on line 4 nok