From 2bdc1142fe4c2ba5f49f7f7f16c43f06f829b9d7 Mon Sep 17 00:00:00 2001
From: Stefano Torresi <stefano@torresi.io>
Date: Tue, 17 Mar 2015 17:59:47 +0100
Subject: [PATCH] add string casting to id hashes

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

diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index 0126bc628..3e19e53af 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -1573,6 +1573,10 @@ class UnitOfWork implements PropertyChangedListener
      */
     public function tryGetByIdHash($idHash, $rootClassName)
     {
+        if (! is_string($idHash)) {
+            $idHash = (string) $idHash;
+        }
+
         if (isset($this->identityMap[$rootClassName][$idHash])) {
             return $this->identityMap[$rootClassName][$idHash];
         }
@@ -2938,6 +2942,10 @@ class UnitOfWork implements PropertyChangedListener
     {
         $idHash = implode(' ', (array) $id);
 
+        if (! is_string($idHash)) {
+            $idHash = (string) $idHash;
+        }
+
         if (isset($this->identityMap[$rootClassName][$idHash])) {
             return $this->identityMap[$rootClassName][$idHash];
         }