Fatal error: Uncaught Error: Cannot use object of type User as array

dig.php

@@ -3,7 +3,7 @@ session_start();
 if (!($_SESSION['uid'] > 0)) header("Location: index.php");
 require_once 'config.php';
 
-$user = db::c()->query('SELECT * FROM `users` WHERE `id` = ?i', $playerId)->fetch_assoc();
+$user = db::c()->query('SELECT * FROM `users` WHERE `id` = ?i', $playerId)->fetch_object();
 $can_go_ch = 0;
 
 /*if($user['id']==1258)
@@ -17,17 +17,17 @@ $can_go_ch = 0;
     }
 }*/
 
-if ($user['room'] != 49) {
+if ($user->room != 49) {
     header("Location: main.php");
-    die();
+    exit();
 }
-if ($user['battle'] != 0) {
+if ($user->battle) {
     header('location: fbattle.php');
-    die();
+    exit();
 }
 
 //проверяем ЦХ
-if ($user['level'] >= 8 && $user['doblest'] >= 50) $can_go_ch = 1;
+if ($user->level >= 8 && $user->doblest >= 50) $can_go_ch = 1;
 
 //заходим в ЦХ
 if ($_POST['c_haos']) {