3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $_SERVER['DOCUMENT_ROOT']="php/asda"; $dirname = ("{$_SERVER['DOCUMENT_ROOT']}/f1/f2/");echo $dirname;
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
php/asda/f1/f2/
Output for hhvm-3.10.0

Process exited with code 153.