3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 'foo'; echo $foo['bar'];
Output for 5.4.0 - 7.1.7
Warning: Illegal string offset 'bar' in /in/MUcLb on line 3 f
Output for 4.3.0 - 5.3.29
f