3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = ''; var_dump($a[0]);
Output for 5.2.10 - 7.2.0
Notice: Uninitialized string offset: 0 in /in/WpJRB on line 3 string(0) ""
Output for 4.3.0 - 5.2.9
Notice: Uninitialized string offset: 0 in /in/WpJRB on line 3 string(0) ""