From: Dmitry Stogov <dmitry@zend.com>
Date: Thu, 15 May 2014 07:14:12 +0000 (+0400)
Subject: Allow just set or get context passing NULL pointers
X-Git-Tag: POST_PHPNG_MERGE~368^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=04456f8fab5749096b59bc017842887efc496829;p=php

Allow just set or get context passing NULL pointers
---

diff --git a/ext/libxml/libxml.c b/ext/libxml/libxml.c
index 47bc5caae3..8fd661c81d 100644
--- a/ext/libxml/libxml.c
+++ b/ext/libxml/libxml.c
@@ -765,8 +765,12 @@ PHP_LIBXML_API void php_libxml_shutdown(void)
 
 PHP_LIBXML_API void php_libxml_switch_context(zval *context, zval *oldcontext TSRMLS_DC)
 {
-	ZVAL_COPY_VALUE(oldcontext, &LIBXML(stream_context));
-	ZVAL_COPY_VALUE(&LIBXML(stream_context), context);
+	if (oldcontext) {
+		ZVAL_COPY_VALUE(oldcontext, &LIBXML(stream_context));
+	}
+	if (context) {
+		ZVAL_COPY_VALUE(&LIBXML(stream_context), context);
+	}
 }
 
 static PHP_MINIT_FUNCTION(libxml)