3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = function($b) { return array($b, $b, $b=> $b); }; echo $a('oi')[2];
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 2 in /in/Zg5i0 on line 4
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 2 in /in/Zg5i0 on line 4
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ',' or ';' in /in/Zg5i0 on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Zg5i0 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/Zg5i0 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Zg5i0 on line 3
Process exited with code 255.