Fatal error: Call to a member function execute()

Bonjour,

Après avoir suivi, dans l'ordre:

• Gestion dun espace membre en PHP
• Créer un panier en PHP

Je suis bloquer quand j'essaie de me connecter, il me dit "Fatal error: Call to a member function execute() on array in C:\wamp\www\account\login.php on line 12" ..

Mes pages PHP

Voici mon arborescence: https://prnt.sc/fbistx

login.php

<?php
include('../includes/head.php');
require_once '../includes/functions.php';
reconnect_from_cookie();
if (isset($_SESSION['auth'])) {
  header('Location: index.php');
  exit();
}
if (!empty($_POST) && !empty($_POST['username']) && !empty($_POST['password'])){
  require_once '../includes/database.php';
  $req = $pdo->query('SELECT * FROM users WHERE (username = :username OR email = :username) AND confirmed_at IS NOT NULL');
  $req->execute(['username' => $_POST['username']]);
  $user = $req->fetch();
  if (password_verify($_POST['password'], $user->password)) {
    $_SESSION['auth'] = $user;
    $_SESSION['flash']['success'] = 'Vous êtes maintenant connecté';
    if ($_POST['remember']) {
      $remember_token = str_random(250);
      $pdo->prepare('UPDATE FROM users SET remember_token = ? WHERE id = ?')->execute([$remember_token, $user->id]);
      setcookie('remember', $user->id . '==' . $remember_token . sha1($user->id . 'test'), time() + 60 * 60 * 24 * 7);
    }
  }else {
    $_SESSION['flash']['danger'] = 'Identifiant ou mot de passe incorrect';
  }
}
?>

database.php

<?php

class database{
  private $host = 'localhost';
  private $username = 'root';
  private $password = '';
  private $database = 'floris';
  private $pdo;

  public function __construct($host = null, $username = null, $password = null, $databse = null){
    if ($host != null) {
      $this->host = $host;
      $this->username = $username;
      $this->password = $password;
      $this->database = $database;
    }
    try {
      $this->pdo = new PDO('mysql:host='.$this->host.';dbname='.$this->database, $this->username, $this->password, array(
        PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES UTF8',
        PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ
      ));
    } catch (PDOException $e) {
      die();
    }

  }

  public function query($sql, $data = array()){
    $req = $this->pdo->prepare($sql);
    $req->execute($data);
    return $req->fetchAll(PDO::FETCH_OBJ);
  }
}

head.php

<?php
require_once '_header.php';
?>

_header.php

<?php
require_once 'panier.class.php';
require_once 'database.php';
$pdo = new database();
$panier = new panier($pdo);
if (session_status() == PHP_SESSION_NONE) {
  session_start();
}

Quelqu'un aurait une solution?

Merci d'avance <3