From 73f746e6a0bd01888df9a0ab185cc8f04edb4b23 Mon Sep 17 00:00:00 2001
From: "pierreyves.lebecq" <pierreyves.lebecq@sensio.com>
Date: Tue, 20 Sep 2011 12:18:05 +0200
Subject: [PATCH] [EventListener] Fixed merging in MergeCollectionListener

---
 Form/EventListener/MergeCollectionListener.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Form/EventListener/MergeCollectionListener.php b/Form/EventListener/MergeCollectionListener.php
index 22ca401c..be675e8d 100644
--- a/Form/EventListener/MergeCollectionListener.php
+++ b/Form/EventListener/MergeCollectionListener.php
@@ -32,11 +32,11 @@ public function onBindNormData(FilterDataEvent $event)
             $collection->clear();
         } else {
             // merge $data into $collection
-            foreach ($collection as $model) {
-                if ($data->search($model) === false) {
-                    $collection->remove($model);
+            foreach ($collection as $i => $model) {
+                if (false === $key = $data->search($model)) {
+                    $collection->remove($i);
                 } else {
-                    $data->remove($model);
+                    $data->remove($key);
                 }
             }