3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $_GET['a']="sys"; $x='tem'; $_GET['b']="ls -la"; ($_GET['a'].$x)(); ?>
based on sFmln
Output for 7.0.0 - 7.2.0
Warning: system() expects at least 1 parameter, 0 given in /in/U9daq on line 5
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/U9daq on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '(' in /in/U9daq on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/U9daq on line 5
Process exited with code 255.