From 45d7ab1a4c323c50bc5007cf826540e62693db8c Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Fri, 30 May 2014 11:12:03 +0400
Subject: [PATCH] Avoid in-place modification

---
 ext/simplexml/simplexml.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ext/simplexml/simplexml.c b/ext/simplexml/simplexml.c
index f9f7452bf4..1bcfec361a 100644
--- a/ext/simplexml/simplexml.c
+++ b/ext/simplexml/simplexml.c
@@ -530,7 +530,12 @@ static int sxe_prop_dim_write(zval *object, zval *member, zval *value, zend_bool
 			case IS_TRUE:
 			case IS_DOUBLE:
 			case IS_NULL:
-				convert_to_string(value);
+				if (Z_TYPE_P(value) != IS_STRING) {
+					ZVAL_DUP(&zval_copy, value);
+					value = &zval_copy;
+					convert_to_string(value);
+					new_value = 1;
+				}
 				break;
 			case IS_STRING:
 				break;
-- 
2.50.1