3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php system();
Output for 5.0.0 - 7.2.0
Warning: system() expects at least 1 parameter, 0 given in /in/NLdup on line 3
Output for 4.3.0 - 4.4.9
Warning: Wrong parameter count for system() in /in/NLdup on line 3