From 20d86c5b27b8af6c567aefe7baaf7e66d13c4b95 Mon Sep 17 00:00:00 2001
From: Marco Pivetta <ocramius@gmail.com>
Date: Mon, 6 Jun 2016 00:11:19 +0200
Subject: [PATCH] #5849 #5850 refactored `clearIdentityMapForEntityName` to
 remove useless looping

---
 lib/Doctrine/ORM/UnitOfWork.php | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index 5c943297d..0876740da 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -3460,16 +3460,14 @@ class UnitOfWork implements PropertyChangedListener
      */
     private function clearIdentityMapForEntityName($entityName)
     {
-        $visited = array();
+        if (! isset($this->identityMap[$entityName])) {
+            return;
+        }
 
-        foreach ($this->identityMap as $className => $entities) {
-            if ($className !== $entityName) {
-                continue;
-            }
+        $visited = [];
 
-            foreach ($entities as $entity) {
-                $this->doDetach($entity, $visited, false);
-            }
+        foreach ($this->identityMap[$entityName] as $entity) {
+            $this->doDetach($entity, $visited, false);
         }
     }