3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = NULL; echo $a['1']; $a = array(); echo $a['1'];
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 1 in /in/H6pTa on line 8
Output for 5.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 1 in /in/H6pTa on line 8
Output for 4.3.0 - 5.2.17
Notice: Undefined index: 1 in /in/H6pTa on line 8