Отказ от алиаса die в пользу exit, более явная проверка на наличие сессии. Некоторые проверки входа теперь проверяют объекты, а не массив.

magic/wis_air_m2.php

@@ -9,7 +9,10 @@
         $book=908;$have_book=mysql_fetch_array(mysql_query("SELECT `id` FROM `inventory` WHERE `prototype`='{$book}' AND `owner`='{$user['id']}' LIMIT 1;")); 
 
 
-if ($_SESSION['uid'] == null) header("Location: index.php");
+if ($_SESSION['uid'] == null) {
+    header("Location: index.php");
+    exit;
+}
 $us = mysql_fetch_array(mysql_query("SELECT *,(select `id` from `online` WHERE `real_time` >= ".(time()-60)." AND `id` = users.`id`) as `online`  FROM `users` WHERE `login` = '{$_POST['target']}' LIMIT 1;"));
 $magic = mysql_fetch_array(mysql_query("SELECT `chanse` FROM `magic` WHERE `id` = '{$mag_id}' LIMIT 1 ;"));	
 $bat=mysql_fetch_array(mysql_query("SELECT * FROM `battle` WHERE `id`='{$user['battle']}';"));		
@@ -52,14 +55,14 @@ if ($user['battle'] == 0) {
             case 'a':$uel='mair';break;
             case 'w':$uel='mwater';break;
             case 'e':$uel='mearth';break;
-        };
+        }
         switch($elem)
         {
             case 'f':$sel='mfire';break;
             case 'a':$sel='mair';break;
             case 'w':$sel='mwater';break;
             case 'e':$sel='mearth';break;
-        };
+        }
         //dmg=base+INT/LVL+X_magic
         $dmg=$basedmg+($user['intel']/4)+$user[$sel];
         //MF