Description:
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For my developments, I need to turn on the PHP option "zend.ze1_compatibility_mode". However when using DOM classes from PHP5, I am unable to get references to some properties (e.g. documentElement) of a DOMDocument object (see example below). 

Is it inappropriate to use DOM classes with this option? If so, I appologize for my post.

Reproduce code:
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$doc =& new DOMDocument(); 
$success = $doc->load($inputFile);
$root =& $doc->documentElement;

echo("With \$root, the root element is " . $root->nodeName . ".<br />");
echo("With \$doc, the root element is " .$doc->documentElement->nodeName . ".<br />");

Expected result:
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With $root, the root element is myRootNode.
With $doc, the root element is myRootNode.

Actual result:
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With $root, the root element is .
With $doc, the root element is myRootNode.