Attachments to Doctrine Jira Issue DDC-875 - https://github.com/doctrine/doctrine2/issues/5398

10859_multipleaddmerge.diff

diff --git "a/C:\\DOCUME~1\\ADMINI~1\\LOCALS~1\\Temp\\UnitOfWork_HEAD.php" "b/D:\\Projects\\ORM\\doctrine2\\lib\\Doctrine\\ORM\\UnitOfWork.php"
index 5088bb2..f39e511 100644
--- "a/C:\\DOCUME~1\\ADMINI~1\\LOCALS~1\\Temp\\UnitOfWork_HEAD.php"
+++ "b/D:\\Projects\\ORM\\doctrine2\\lib\\Doctrine\\ORM\\UnitOfWork.php"
@@ -1465,7 +1465,11 @@ class UnitOfWork implements PropertyChangedListener
             if ($assoc['type'] & ClassMetadata::TO_ONE) {
                 $prevClass->reflFields[$assocField]->setValue($prevManagedCopy, $managedCopy);
             } else {
-                $prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->add($managedCopy);
+               //$prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->add($managedCopy);
+				$arrayCollection = $prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->unwrap();
+				if (!$arrayCollection->contains($managedCopy))
+					$arrayCollection->add($managedCopy);
+				
                 if ($assoc['type'] == ClassMetadata::ONE_TO_MANY) {
                     $class->reflFields[$assoc['mappedBy']]->setValue($managedCopy, $prevManagedCopy);
                 }

10897_multipleaddmerge2.diff

f8e2a546ad895b2cfd936dfd1032b6c732e1a1f8
 lib/Doctrine/ORM/UnitOfWork.php |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index d3101b3..dd42ee8 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -1466,9 +1466,8 @@ class UnitOfWork implements PropertyChangedListener
                 $prevClass->reflFields[$assocField]->setValue($prevManagedCopy, $managedCopy);
             } else {
 				// Only add to the collection if the entity doesn't already exist in it
-				$arrayCollection = $prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->unwrap();
-				if (!$arrayCollection->contains($managedCopy))
-					$arrayCollection->add($managedCopy);
+				if (!$prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->unwrap()->contains($managedCopy))
+					$prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->add($managedCopy);
 				
                 if ($assoc['type'] == ClassMetadata::ONE_TO_MANY) {
                     $class->reflFields[$assoc['mappedBy']]->setValue($managedCopy, $prevManagedCopy);