Pinger IP Ошибка.

Здравствуйте, не могу понять в чём проблема выходит ошибка

Code:

[ERROR] Ping tool has stopped: Notice: Undefined offset: 0 in /home/m/*******/********/public_html/ping.php on line 90 {"success":true,"message":"","code":0} (parsererror)

Код скрипта -

Code:

<?php

header('Content-Type: application/json');

ob_start();
require_once 'includes/db.php';
require_once 'includes/init.php';


ini_set("display_errors", "On");
error_reporting(E_ALL);

function fetchToken($token)
{
    global $odb;
    $fetchToken = $odb->prepare("
        SELECT
            `t`.*,
            `l`.`time` AS `boot_time`,
            `l`.`date` AS `boot_date`,
            `l`.`stopped`,
            `l`.`ip`,
            `p`.`mbt` AS `plan_mbt`
        FROM `ping_tokens` AS `t`

        LEFT JOIN `logs` AS `l`
        ON `l`.`ID` = `t`.`attack_id`

        LEFT JOIN `users` AS `u`
        ON `u`.`ID` = `t`.`user_id`

        LEFT JOIN `plans` AS `p`
        ON `p`.`ID` = `u`.`membership`

        WHERE `t`.`token` = :token
    ");
    $fetchToken->execute(array(
        ":token" => $token,
    ));
    if ($fetchToken->rowCount() != 0) {
        return $fetchToken->fetch(PDO::FETCH_ASSOC);
    }
}

function removeToken($token)
{
    global $odb;
    $remove = $odb->prepare("DELETE FROM `ping_tokens` WHERE `token` = :token");
    $remove->execute(array(
        ":token" => $token,
    ));
}

function updateToken($token)
{
    global $odb;
    $updateToken = $odb->prepare("UPDATE `ping_tokens` SET `runs`=`runs`+1 WHERE `token` = :token");
    $updateToken->execute(array(
        ":token" => $token,
    ));
}

$response = array(
    "success" => false,
    "message" => "An invalid token was specified",
    "code"    => 1,
);

if ($user -> LoggedIn() && $user->hasMembership($odb) && $user -> notBanned($odb)) {
    if (isset($_GET['token']) && !empty($_GET['token']) && is_string($_GET['token'])) {
        if ( ($token = fetchtoken($_GET['token'])) !== null) {
            if ($token['user_id'] === $_SESSION['ID']) {
                // Make sure that:
                //    - attack has not stopped
                //    - boot date and time is greater than current time (in future) to expire
                //    - the token date and user's mbt is greater than current time
                //    - the token hasn't run more than 25 times
              
                if ($token['stopped'] == "No" && $token['boot_time'] + $token['boot_date'] > time()
                    && $token['date']+$token['plan_mbt'] > time() && $token['runs'] < 26) {
                    if (filter_var($token['ip'], FILTER_VALIDATE_IP) || filter_var($token['ip'], FILTER_VALIDATE_URL)) {
                        $ip = preg_replace("/(https?:\/\/)/is", "", $token['ip']);
                        $ip = trim($ip);
                        $ip = trim($ip, "/");
                      
                        // execute command (scarryyyy stuff)
                        exec("ping -c 1 -i 1 -t 80 " . escapeshellarg($ip), $results);
                        updateToken($_GET['token']); // update token's runs
                        $response['success'] = true;
                        $response['message'] = $results[0] . (count($results) > 2 ? $results[1] : "");
                        $response['code'] = 0;
                    } else {
                        $response['message'] = "An invalid host was used";
                        $response['code'] = 4;
                    }
                } else {
                    $response['message'] = "Token has expired";
                    $response['code'] = 3;
                    removeToken($_GET['token']);
                }
            }
        }
    }
} else {
    $response['message'] = "You must be logged in to send pings";
    $response['code'] = 2;
}

echo json_encode($response, true);