3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(!is_null($subDomains['test']));
Output for 5.5.0 - 7.2.0
Notice: Undefined variable: subDomains in /in/HLp4g on line 2 bool(false)
Output for 4.3.0 - 5.4.45
bool(false)