Add (failing) testcase for bug #67474

Author: aboks

ext/dom/tests/bug67474.phpt

@@ -0,0 +1,18 @@
+--TEST--
+Bug #67474 getElementsByTagNameNS and default namespace
+--SKIPIF--
+<?php
+require_once('skipif.inc');
+?>
+--FILE--
+<?php
+$doc = new DOMDocument();
+$doc->loadXML('<root xmlns:x="x"><a/><x:a/></root>');
+$list = $doc->getElementsByTagNameNS('', 'a');
+var_dump($list->length);
+$list = $doc->getElementsByTagNameNS(null, 'a');
+var_dump($list->length);
+?>
+--EXPECT--
+int(1)
+int(1)