From c1bfaa1de489b51de89d4320c615b2c65bf81f17 Mon Sep 17 00:00:00 2001
From: Maxime Steinhausser <maxime.steinhausser@elao.com>
Date: Mon, 8 Jul 2019 16:06:09 +0200
Subject: [PATCH] [Serializer] XmlEncoder: don't cast padded strings

---
 .../Component/Serializer/Encoder/XmlEncoder.php       |  2 +-
 .../Serializer/Tests/Encoder/XmlEncoderTest.php       | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
index f0a4afb191b3..afbd63e4962a 100644
--- a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
+++ b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
@@ -303,7 +303,7 @@ private function parseXmlAttributes(\DOMNode $node, array $context = [])
         $typeCastAttributes = $this->resolveXmlTypeCastAttributes($context);
 
         foreach ($node->attributes as $attr) {
-            if (!is_numeric($attr->nodeValue) || !$typeCastAttributes) {
+            if (!is_numeric($attr->nodeValue) || !$typeCastAttributes || (isset($attr->nodeValue[1]) && '0' === $attr->nodeValue[0])) {
                 $data['@'.$attr->nodeName] = $attr->nodeValue;
 
                 continue;
diff --git a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
index 7a6a7d3fbca1..573605c1ab09 100644
--- a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
@@ -306,6 +306,17 @@ public function testNoTypeCastAttribute()
         $this->assertSame($expected, $data);
     }
 
+    public function testDoesNotTypeCastStringsStartingWith0()
+    {
+        $source = <<<XML
+<?xml version="1.0"?>
+<document a="018"></document>
+XML;
+
+        $data = $this->encoder->decode($source, 'xml');
+        $this->assertSame('018', $data['@a']);
+    }
+
     public function testEncode()
     {
         $source = $this->getXmlSource();