3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = 'bal'; var_dump($string['servers']); var_dump(isset($string['servers']));
based on icIuZ
Output for 5.4.0 - 7.2.0
Warning: Illegal string offset 'servers' in /in/m1tmB on line 4 string(1) "b" bool(false)
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.3.29
string(1) "b" bool(true)
Output for 5.0.0 - 5.0.2
string(1) "b" bool(false)