3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "xxoo;rm -rf /"; $arg = escapeshellarg("/data/files/{$a}"); print(escapeshellcmd("rm {$arg}"));
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
rm '/data/files/xxoo\;rm -rf /'
Output for 5.4.0
rm /data/files/xxoo\;rm -rf /
Output for 4.3.0 - 4.3.2
rm \'/data/files/xxoo\;rm -rf /\'

preferences:
224.67 ms | 401 KiB | 310 Q