Зачем-то инкапсулирем.

user_abilities.php

@@ -12,13 +12,13 @@ use Battles\User;
 session_start();
 require_once 'functions.php';
 $user = $user ?? new User($_SESSION['uid']);
-if (!empty($_GET['teleport']) && $user->admin == 1) {
+if (!empty($_GET['teleport']) && $user->getAdmin() == 1) {
     db::c()->query('UPDATE `users`,`online` SET `users`.`room` = 20,`online`.`room` = 20 WHERE `online`.`id` = `users`.`id` AND `online`.`id` = ?i', $_SESSION['uid']);
 }
 
 # ORDEN PHP
 
-if ($user->admin) {
+if ($user->getAdmin()) {
     $abil = db::c()->query('SELECT abil FROM users WHERE id = ?i', $user->getId())->fetch_assoc();
     $abil = unserialize($abil['abil']);
     switch ($_POST['use']) {
@@ -449,7 +449,7 @@ $bank = db::c()->query('SELECT `ekr` FROM `bank` WHERE `id` = ?i ', $_SESSION['u
 Template::header('user_abilities');
 ?>
 <div style="float: right;">
-    <?php if ($user->admin == 1): ?>
+    <?php if ($user->getAdmin() == 1): ?>
         <button onclick="location.href='?teleport=1'">Телепорт на ЦП</button>
     <?php endif; ?>
     <input type="button" onClick="location.href='main.php';" value="Вернуться">