From bc9f8f582cefd55140d00d731949502f1e66f9b9 Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Tue, 24 Apr 2007 13:54:59 +0000
Subject: [PATCH] Fixed bug #41175 (addAttribute() fails to add an attribute
 with an empty value).

---
 NEWS                              |  2 ++
 ext/simplexml/simplexml.c         |  2 +-
 ext/simplexml/tests/bug41175.phpt | 16 ++++++++++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 ext/simplexml/tests/bug41175.phpt

diff --git a/NEWS b/NEWS
index 517a0347bf0..82ad9200846 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,8 @@ PHP                                                                        NEWS
 - Fixed commandline handling fro CLI and CGI. (Marcus, Johannes)
 - Upgraded SQLite 3 to version 3.3.16 (Ilia)
 - Updated timezone database to version 2007.5. (Derick)
+- Fixed bug #41175 (addAttribute() fails to add an attribute with an empty
+  value). (Ilia)
 - Fixed bug #41159 (mysql_pconnect() hash does not account for connect
   flags). (Ilia)
 - Fixed bug #41121 (range() overflow handling for large numbers on 32bit
diff --git a/ext/simplexml/simplexml.c b/ext/simplexml/simplexml.c
index 2c919ea24fa..0b0f9ff54bc 100644
--- a/ext/simplexml/simplexml.c
+++ b/ext/simplexml/simplexml.c
@@ -1542,7 +1542,7 @@ SXE_METHOD(addAttribute)
 		return;
 	}
 
-	if (qname_len == 0 || value_len == 0) {
+	if (qname_len == 0) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attribute name and value are required");
 		return;
 	}
diff --git a/ext/simplexml/tests/bug41175.phpt b/ext/simplexml/tests/bug41175.phpt
new file mode 100644
index 00000000000..51181d29c03
--- /dev/null
+++ b/ext/simplexml/tests/bug41175.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #41175 (addAttribute() fails to add an attribute with an empty value)
+--FILE--
+<?php
+
+$xml = new SimpleXmlElement("<img></img>");
+$xml->addAttribute("src", "foo");
+$xml->addAttribute("alt", "");
+echo $xml->asXML();
+
+echo "Done\n";
+?>
+--EXPECT--	
+<?xml version="1.0"?>
+<img src="foo" alt=""/>
+Done
\ No newline at end of file