3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array (1, 2, 3, 5, 8, 13, 21, 34, 55);echo $array[$array[$i]];
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: i in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2
Output for 5.0.4 - 5.2.17
Notice: Undefined variable: i in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: i in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2 Notice: Undefined index: in /in/MaFd5 on line 2