--TEST--
Bug #63575 (Root elements are not properly cloned)
--SKIPIF--
<?php
if (!extension_loaded('simplexml')) die('skip simplexml extension not available');
?>
--FILE--
<?php
$xml = '<a><b></b></a>';

$o1 = new SimpleXMlElement($xml);
$o2 = clone $o1;

$r = current($o2->xpath('/a'));
$r->addChild('c', new SimpleXMlElement('<c></c>'));

echo $o1->asXML(), PHP_EOL, $o2->asXML();
?>
--EXPECT--
<?xml version="1.0"?>
<a><b/></a>

<?xml version="1.0"?>
<a><b/><c/></a>
