Куча мелких фиксов, уборка мусора.

comission.php

@@ -1,19 +1,23 @@
 <?php
 session_start();
-if ($_SESSION['uid'] == null) header("Location: index.php");
+if (!$_SESSION['uid']) {
+    header("Location: index.php");
+    exit;
+}
 require_once 'functions.php';
+$user = $user ?? 0;
 
-if ($user['level'] < 1) {
+if ($user->level < 1) {
     header("Location: main.php");
-    die();
+    exit;
 }
-if ($user['room'] != 25) {
+if ($user->room != 25) {
     header("Location: main.php");
-    die();
+    exit;
 }
-if ($user['battle'] != 0) {
+if ($user->battle) {
     header('location: fbattle.php');
-    die();
+    exit;
 }
 
 $get = urldecode(filter_input(INPUT_SERVER, 'QUERY_STRING'));