3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php system("ping google.de");?>
Output for 5.5.24 - 7.2.0
Output for 4.3.2 - 5.4.45
Warning: system(): Unable to fork [ping google.de] in /in/SbLOH on line 1
Output for 4.3.0 - 4.3.1
Warning: system() [http://www.php.net/function.system]: Unable to fork [ping google.de] in /in/SbLOH on line 1