diff --git a/NEWS b/NEWS
index 6798a29e7e60e..15b6a94e0c3d5 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,9 @@ PHP NEWS
. Fixed bug GH-11997 (ctype_alnum 5 times slower in PHP 8.1 or greater).
(nielsdos)
+- DOM:
+ . Restore old namespace reconciliation behaviour. (nielsdos)
+
- Filter:
. Fix explicit FILTER_REQUIRE_SCALAR with FILTER_CALLBACK (ilutov)
diff --git a/ext/dom/php_dom.c b/ext/dom/php_dom.c
index ba532045186e5..5eea6840b66c6 100644
--- a/ext/dom/php_dom.c
+++ b/ext/dom/php_dom.c
@@ -1489,11 +1489,16 @@ static void dom_reconcile_ns_internal(xmlDocPtr doc, xmlNodePtr nodep, xmlNodePt
static void dom_libxml_reconcile_ensure_namespaces_are_declared(xmlNodePtr nodep)
{
+ /* Ideally we'd use the DOM-wrapped version, but we cannot: https://github.com/php/php-src/pull/12308. */
+#if 0
/* Put on stack to avoid allocation.
* Although libxml2 currently does not use this for the reconciliation, it still
* makes sense to do this just in case libxml2's internal change in the future. */
xmlDOMWrapCtxt dummy_ctxt = {0};
xmlDOMWrapReconcileNamespaces(&dummy_ctxt, nodep, /* options */ 0);
+#else
+ xmlReconciliateNs(nodep->doc, nodep);
+#endif
}
void dom_reconcile_ns(xmlDocPtr doc, xmlNodePtr nodep) /* {{{ */
diff --git a/ext/dom/tests/bug47530.phpt b/ext/dom/tests/bug47530.phpt
index 0fb990e0e7bff..301a418fbe841 100644
--- a/ext/dom/tests/bug47530.phpt
+++ b/ext/dom/tests/bug47530.phpt
@@ -118,18 +118,18 @@ test_appendChild_with_shadowing();
--EXPECT--
-- Test document fragment with import --
-
+
-- Test document fragment without import --
-
+
string(7) "foo:bar"
string(19) "https://php.net/bar"
-- Test document import --
-
-
+
+
+ Test-Text
+
-- Test partial document import --
diff --git a/ext/dom/tests/bug47847.phpt b/ext/dom/tests/bug47847.phpt
index 324bf9508d5ce..1c9ec95418e01 100644
--- a/ext/dom/tests/bug47847.phpt
+++ b/ext/dom/tests/bug47847.phpt
@@ -2,6 +2,8 @@
Bug #47847 (importNode loses the namespace of an XML element)
--EXTENSIONS--
dom
+--XFAIL--
+See https://github.com/php/php-src/pull/12308
--FILE--
loadXML(<<
+
+
+
+XML);
+$dom2 = new DOMDocument();
+$dom2->loadXML('');
+$wsse = $dom2->importNode($dom1->documentElement, true);
+$dom2->firstChild->firstChild->appendChild($wsse);
+echo $dom2->saveXML();
+
+?>
+--EXPECT--
+
+
+
+
+