3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo filter_var(urldecode('../../passwd'), FILTER_SANITIZE_STRING);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
../../passwd
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24
Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in /in/CqaKD on line 3 ../../passwd
Output for 8.5.0 - 8.5.9
Deprecated: Constant FILTER_SANITIZE_STRING is deprecated since 8.1, use htmlspecialchars() instead in /in/CqaKD on line 3 ../../passwd

preferences:
36.43 ms | 1142 KiB | 12 Q