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run code in 300+ PHP versions simultaneously
<?php // This code is vulnerable when cmd == 1 and text contains a script // ?cmd=1&text=%3Cscript%3Ewindow.location%20=%20%22http://www.google.com/%22%3C/script%3E function get($c){ if ($c == 1) return $_GET['text']; else return htmlspecialchars($_GET['text']); } $cmd = (int) $_GET["cmd"]; if ($cmd == 0) echo "0"; else echo ($cmd . " " . get($cmd)); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "cmd" in /in/oVU3U on line 10 0
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: cmd in /in/oVU3U on line 10 0
Output for 7.3.32 - 7.3.33
0
Output for 4.3.0 - 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
Notice: Undefined index: cmd in /in/oVU3U on line 10 0

preferences:
234.32 ms | 402 KiB | 355 Q