Adjustment for namespace reconciliation revert

Author: nielsdos

ext/dom/html_document.c

@@ -315,7 +315,13 @@ static void dom_post_process_html5_loading(xmlDocPtr lxml_doc, zend_long options
 			}
 			dom_place_remove_element_and_hoist_children((xmlNodePtr) lxml_doc, "html");
 			if (!(options & DOM_HTML_NO_DEFAULT_NS) && EXPECTED(lxml_doc->children != NULL)) {
-				dom_reconcile_ns_list(lxml_doc, lxml_doc->children, lxml_doc->last);
+				xmlNodePtr node = lxml_doc->children;
+				while (node) {
+					/* Fine to use the DOM wrap reconciliation here because it's the "modern" world of DOM, and no user manipulation happened yet. */
+					xmlDOMWrapCtxt dummy_ctxt = {0};
+					xmlDOMWrapReconcileNamespaces(&dummy_ctxt, node, /* options */ 0);
+					node = node->next;
+				}
 			}
 		}
 	}

ext/dom/tests/modern/html/parser/HTMLDocument_fromString_LIBXML_HTML_NOIMPLIED_namespace.phpt

@@ -5,12 +5,41 @@ dom
 --FILE--
 <?php
 
+echo "--- No elements ---\n";
+
+$dom = DOM\HTMLDocument::createFromString("", LIBXML_HTML_NOIMPLIED | LIBXML_NOERROR);
+echo $dom->saveXML();
+
+echo "--- Single element ---\n";
+
 $dom = DOM\HTMLDocument::createFromString("<p>foo</p>", LIBXML_HTML_NOIMPLIED | LIBXML_NOERROR);
 echo $dom->saveXML();
 var_dump($dom->documentElement->namespaceURI);
+var_dump($dom->documentElement->prefix);
+
+echo "--- Multiple elements ---\n";
+
+$dom = DOM\HTMLDocument::createFromString("<p>foo</p><strong>bar</strong>", LIBXML_HTML_NOIMPLIED | LIBXML_NOERROR);
+echo $dom->saveXML();
+var_dump($dom->documentElement->namespaceURI);
+var_dump($dom->documentElement->prefix);
+var_dump($dom->documentElement->nextSibling->namespaceURI);
+var_dump($dom->documentElement->nextSibling->prefix);
 
 ?>
 --EXPECT--
+--- No elements ---
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+--- Single element ---
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<p xmlns="http://www.w3.org/1999/xhtml">foo</p>
+string(28) "http://www.w3.org/1999/xhtml"
+string(0) ""
+--- Multiple elements ---
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <p xmlns="http://www.w3.org/1999/xhtml">foo</p>
+<strong xmlns="http://www.w3.org/1999/xhtml">bar</strong>
+string(28) "http://www.w3.org/1999/xhtml"
+string(0) ""
 string(28) "http://www.w3.org/1999/xhtml"
+string(0) ""