Index: branches/version-2_11-dev/html/install/index.php
===================================================================
--- branches/version-2_11-dev/html/install/index.php	(revision 21237)
+++ branches/version-2_11-dev/html/install/index.php	(revision 21241)
@@ -230,5 +230,7 @@
         }
 
-        $req->addPostDataArray($arrSendData);
+        foreach ($arrSendData as $key => $val) {
+            $req->addPostData($key, $val);
+        }
 
         if (!PEAR::isError($req->sendRequest())) {