Improved register_globals

pages/wot/5.php

@@ -18,7 +18,7 @@
 	include_once("../includes/shutdown.php");
 ?>
 <? 
-  if($_SESSION['_config']['error'] != "") 
+  if(array_key_exists('error',$_SESSION['_config']) && $_SESSION['_config']['error'] != "") 
   {
     if($_SESSION['_config']['remindersent'] == 1) 
     {
@@ -32,7 +32,7 @@
     unset($_SESSION['_config']['error']);
   } 
 ?>
-<? if($_SESSION['_config']['noemailfound'] == 1) { ?>
+<? if(array_key_exists('noemailfound',$_SESSION['_config']) && $_SESSION['_config']['noemailfound'] == 1) { ?>
 <form method="post" action="wot.php">
 <input type="hidden" name="email" value="<?=sanitizeHTML($_POST['email'])?>"><br>
 <select name="reminder-lang">
@@ -59,10 +59,10 @@
   </tr>
   <tr>
     <td class="DataTD"><?=_("Email")?>:</td>
-<? if($_SESSION['_config']['remindersent'] == 1) { unset($_SESSION['_config']['remindersent']) ?>
+<? if(array_key_exists('remindersent',$_SESSION['_config']) && $_SESSION['_config']['remindersent'] == 1) { unset($_SESSION['_config']['remindersent']) ?>
     <td class="DataTD"><input type="text" name="email" id="email" value=""></td>
 <? } else { ?>
-    <td class="DataTD"><input type="text" name="email" id="email" value="<?=sanitizeHTML($_POST['email'])?>"></td>
+    <td class="DataTD"><input type="text" name="email" id="email" value="<?=array_key_exists('email',$_POST)?sanitizeHTML($_POST['email']):""?>"></td>
 <? } ?>
   </tr>
   <tr>