3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strImageFile = "../a....//sdf/dfgh/dfgh.jpg"; // Actually fix the directory traversal vulnerability... while (strpos($strImageFile, "../") !== false) { $strImageFile = str_replace("../", "", $strImageFile); } print $strImageFile; ?>
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
asdf/dfgh/dfgh.jpg
preferences:
214.64 ms | 404 KiB | 254 Q