Description:
------------
simpleXml makes counteble xml comments. see code:

Reproduce code:
---------------
$string = <<<XML
<?xml version='1.0'?> 
<document>
 <node><!-- comment --></node>
 <otherNode></otherNode>
</document>
XML;
$xml = simplexml_load_string($string);
echo "Node: ". count((array) $xml->node) . "\n";            //expects 0
echo "Other Node: ".count((array) $xml->otherNode) . "\n";  //expects 1

Expected result:
----------------
Node: 0
Other Node: 0

Actual result:
--------------
Node: 1
Other Node: 0