3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $boolean = false; var_dump($boolean['key']); $string = 'string'; var_dump($string['key']);
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
NULL Warning: Illegal string offset 'key' in /in/69err on line 6 string(1) "s"
Output for 4.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
NULL string(1) "s"