Simple PHP backend used for ip.cx traceroute backend locations (some ot them).

traceroute.php

<?php
$do = preg_match("/^[a-z0-9-.]+$/iD", $_GET["host"]);
if ($do) {
	$host = escapeshellcmd($_GET["host"]);
	passthru("`which traceroute` -m15 -w3 ".$host." 2>&1");
} else {
	echo "Invalid input.";
}
?>

win-traceroute.php

<?php
set_time_limit(0);
error_reporting(0);

$do = preg_match("/^[a-z0-9-.]+$/iD", $_GET["host"]);
if ($do) {
	$host = escapeshellcmd($_GET["host"]);
	passthru("tracert -h 25 -w 1000 ".$host);
} else {
	echo "Invalid input.";
}
?>