3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'string'; var_dump($a['false-offset']);
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'false-offset' in /in/Z5g3X on line 3 string(1) "s"
Output for 4.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
string(1) "s"