What will be the output of the following PHP script?
<?php
include("xml.inc");
if (!$dom = domxml_open_mem($xmlstr)) {
echo "Error while parsing the XML document\n";
exit;
}
$a = $dom->document_element();
print_r($a);
?>
It will display the root element of the XML file.
It will display the XML code of the XML file.
It will throw an error.
It will display the contents of the XML file.
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