3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); echo $a['foo'];
Output for 5.3.28 - 5.3.29, 5.4.20 - 7.1.0
Notice: Undefined index: foo in /in/sFcsA on line 4
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19
Notice: Undefined index: foo in /in/3sJRY on line 4
Output for 4.3.1 - 5.2.17
Notice: Undefined index: foo in /in/3sJRY on line 4
Output for 4.3.0
Notice: Undefined index: foo in /in/sFcsA on line 4