add test for default namespaces and same-prefix/different-namespaceURI

ext/xml/tests/xml009.phpt

@@ -0,0 +1,30 @@
+--TEST--
+XML parser test, default namespaces
+--FILE--
+<?php
+function start_elem($parser,$name,$attribs) {
+	var_dump($name);
+}
+function end_elem()
+{
+}
+
+$xml = <<<HERE
+<a xmlns="http://example.com/foo"
+       xmlns:bar="http://example.com/bar"
+	   xmlns:baz="http://example.com/baz">
+  <bar:b />
+  <bar:c xmlns:bar="http://example.com/foo"/>
+</a>
+HERE;
+
+$parser = xml_parser_create_ns("ISO-8859-1","@");
+xml_set_element_handler($parser,'start_elem','end_elem');
+xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
+xml_parse($parser, $xml);
+xml_parser_free($parser);
+?>
+--EXPECT--
+string(24) "http://example.com/foo@a"
+string(24) "http://example.com/bar@b"
+string(24) "http://example.com/foo@c"