Reboot TS-9000 if no connection

<?php

function exec_curl($ch, $url, $post = null) {
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

    return curl_exec($ch);
}

function ping($ip) {
    exec("ping $ip -l 0 -n 1", $outcome, $status);

    return $status == 0;
}

if (!ping("www.google.com")) {
    $ch = curl_init();

    $url = "http://192.168.1.1";
    $post = "username=admin&password=admin";
    exec_curl($ch, $url, $post);

    $url = "http://192.168.1.1/form2Reboot.cgi";
    $post = "rebootMode=0&reboot=Reiniciar&submit.htm%3Freboot.htm=Send";
    exec_curl($ch, $url, $post);

    exit(1);
}

exit(0);