Ошибка при редиректе

[Sat Apr 29 12:52:37.821152 2017] [:error] [pid 3579] [client 192.168.1.100:45093] PHP Notice:  Undefined offset: 1 in /var/www/myte.pr/models/User.php on line 218, referer: http://192.168.1.111/user/exit

public static function getUserDataFromCookie() {
 
      if (!isset($_SESSION['setings']['login_complete'])) {
        $_SESSION['setings']['login_complete'] = 0;
      }
 
      if (isset($_COOKIE['user']) && $_SESSION['setings']['login_complete'] == 0) {
        $cookie = explode("|:|", $_COOKIE['user']);
        $id     = $cookie[0];
        $hash   = $cookie[1]; //строка 218
 
        $_SESSION['setings']['login_complete'] = 1;
        $_SESSION['user'] = self::enter($id, $hash);
      }
 
      if (isset($_SESSION['user'])) {
        if (self::checkLoginExist($_SESSION['user']['login']) === false) {
          UserController::actionExit();
        }
      }
 
    }

public static function actionExit() {
 
        unset($_SESSION['user']);
        $_SESSION['setings']['login_complete'] = 0;
        setcookie('user', '', time() - 100, '/');
        header('Location: /user/enter');
        exit;
        
    }

$userData = [$userId, $userHash];
$userData = implode("|:|", $userData); //просто разделитель

$cookie = explode("|:|", $_COOKIE['user'], 2);
if (count($cookie) !== 2) {
    ob_start();
    var_dump($_COOKIE['user']);
    throw new \Exception(sprintf('WTF! cookie[user] = "%s"'), ob_get_clean());
}
list($id, $hash) = $cookie;

Fatal error: Uncaught Error: Wrong parameters for Exception([string $message [, long $code [, Throwable $previous = NULL]]]) in /var/www/myte.pr/models/User.php:220 
Stack trace: #0 /var/www/myte.pr/models/User.php(220): Exception->__construct('', 'string(7) "dele...') 
#1 /var/www/myte.pr/index.php(19): User::getUserDataFromCookie() 
#2 {main} thrown in /var/www/myte.pr/models/User.php on line 220

throw new \Exception(sprintf('WTF! cookie[user] = "%s"', ob_get_clean()));

Fatal error: Uncaught Exception: WTF! cookie[user] = "string(7) "deleted" " in /var/www/myte.pr/models/User.php:220 
Stack trace: #0 /var/www/myte.pr/index.php(19): User::getUserDataFromCookie() 
#1 {main} thrown in /var/www/myte.pr/models/User.php on line 220

Array
(
  [0] => 31
  [1] => 9b82a0d299eab3d50eb0d6b549fc82ef
)

public static function actionExit() {
unset($_SESSION['user']);
 $_SESSION['setings']['login_complete'] = 0;
 setcookie('user', '', time() - 100, '/');
 header('Location: /user/enter');
 exit;
}