3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'string'; var_dump($a['false-offset']); var_dump(empty($a['false-offset']));
Output for 5.4.0 - 7.1.0
Warning: Illegal string offset 'false-offset' in /in/PE2Zv on line 3 string(1) "s" bool(true)
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.3.29
string(1) "s" bool(false)
Output for 5.0.0 - 5.0.2
string(1) "s" bool(true)