--TEST--
DOMNode::replaceWith()
--SKIPIF--
--FILE--
loadXML('firstsecond');
$element = $dom->documentElement->firstChild;
$element->replaceWith(
$dom->createElement('element', 'content'),
'content'
);
print_node_list_compact($dom->documentElement->childNodes);
?>
--EXPECT--
content
content
second