From 34720c921eacd2a94dd47b3a516426aa059ead47 Mon Sep 17 00:00:00 2001
From: Ben Davies <ben.davies@gmail.com>
Date: Tue, 11 Mar 2014 17:36:00 +0000
Subject: [PATCH] convertDomElementToArray should handle zero values

---
 src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php | 1 +
 src/Symfony/Component/Config/Util/XmlUtils.php           | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php b/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
index feb796b68f..722c4db144 100644
--- a/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
+++ b/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
@@ -80,6 +80,7 @@ class XmlUtilsTest extends \PHPUnit_Framework_TestCase
             array(array('foo' => null), '<foo />'),
             array(array('foo' => 'bar'), '<foo>bar</foo>'),
             array(array('foo' => array('foo' => 'bar')), '<foo foo="bar"/>'),
+            array(array('foo' => array('foo' => 0)), '<foo><foo>0</foo></foo>'),
             array(array('foo' => array('foo' => 'bar')), '<foo><foo>bar</foo></foo>'),
             array(array('foo' => array('foo' => 'bar', 'value' => 'text')), '<foo foo="bar">text</foo>'),
             array(array('foo' => array('attr' => 'bar', 'foo' => 'text')), '<foo attr="bar"><foo>text</foo></foo>'),
diff --git a/src/Symfony/Component/Config/Util/XmlUtils.php b/src/Symfony/Component/Config/Util/XmlUtils.php
index f2ea98beed..494d7c3895 100644
--- a/src/Symfony/Component/Config/Util/XmlUtils.php
+++ b/src/Symfony/Component/Config/Util/XmlUtils.php
@@ -132,7 +132,7 @@ class XmlUtils
         $nodeValue = false;
         foreach ($element->childNodes as $node) {
             if ($node instanceof \DOMText) {
-                if (trim($node->nodeValue)) {
+                if (strlen(trim($node->nodeValue)) > 0) {
                     $nodeValue = trim($node->nodeValue);
                     $empty = false;
                 }