3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php mkdir('/usr');
based on BSRve
Output for 5.0.0 - 7.1.0
Warning: mkdir(): File exists in /in/7INda on line 3
Output for 4.3.2 - 4.4.9
Warning: mkdir(/usr): File exists in /in/7INda on line 3
Output for 4.3.0 - 4.3.1
Warning: mkdir(/usr) [http://www.php.net/function.mkdir]: File exists in /in/7INda on line 3