<script></script>
в index, туда, где HTML код.if(strpos($_SERVER["HTTP_USER_AGENT"], "Android")) {
header("Location: https://google.com/");
}
$url = "http://mserver.example.com/script.php?x=".$x;
shell_exec("curl " . escapeshellarg($url) . " &");
php script.php
usleep(2000000*$x);