simplexml nome nodo

[alspam]

grazie!
<?php

$filename='imprese_dati.xml';
$data = implode("", file($filename));
$parser = xml_parser_create();
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
xml_parse_into_struct($parser, $data, $values, $tags);
xml_parser_free($parser);



print count($values);


print "<hr>";
print $values[1]["tag"];
print ",";
print $values[1]["value"];

print "<hr>";
print_r($values);

?>