(bug 8403) Respect bad image list exceptions in galleries on wiki pages

[lhc/web/wiklou.git] / trackback.php

diff --git a/trackback.php b/trackback.php
index ae1e32b..843e508 100644 (file)
--- a/trackback.php
+++ b/trackback.php
@@ -1,8 +1,7 @@
 <?php
 /**
  * Provide functions to handle article trackbacks.
- * @package MediaWiki
- * @subpackage SpecialPage
+ * @addtogroup SpecialPage
  */
 require_once( './includes/WebStart.php' );
 
@@ -50,7 +49,7 @@ $tbname = $_POST['blog_name'];
 $tbarticle = $_REQUEST['article'];
 
 $title = Title::newFromText($tbarticle);
-if (!$title->exists())
+if (!isset($title) || !$title->exists())
        XMLerror("Specified article does not exist.");
 
 $dbw->insert('trackbacks', array(