3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test = 'abc'; var_dump($test['whatever']); var_dump(isset($test['whatever']));
Output for 5.4.0 - 5.6.30, 7.0.0 - 7.2.0
Warning: Illegal string offset 'whatever' in /in/5nDeE on line 3 string(1) "a" bool(false)
Output for 5.0.0 - 5.0.2, hhvm-3.10.1 - 3.17.3
string(1) "a" bool(false)
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.3.29
string(1) "a" bool(true)