From e0cb90d42682f38ef8bf72c9937675bc5923e8cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steve=20M=C3=BCller?= <st.mueller@dzh-online.de>
Date: Thu, 19 Nov 2015 16:43:33 +0100
Subject: [PATCH] fix empty expression on PHP 5.4

---
 lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
index b8a10ed77..52bf7aa54 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
@@ -185,7 +185,9 @@ class ClassMetadataFactory extends AbstractClassMetadataFactory
                     $this->addNestedEmbeddedClasses($embeddableMetadata, $class, $property);
                 }
 
-                if (! empty($embeddableMetadata->getIdentifier())) {
+                $identifier = $embeddableMetadata->getIdentifier();
+
+                if (! empty($identifier)) {
                     $this->inheritIdGeneratorMapping($class, $embeddableMetadata);
                 }