You may use this optional parameter so that
simplexml_load_string() will return an object of
the specified class. That class should extend the
SimpleXMLElement class.
返回值
Returns a SimpleXMLElement or FALSE on failure.
范例
例 1. Importing DOM
<?php
$dom = new DOMDocument;
$dom->loadXML('<books><book><title>blah</title></book></books>');
if (!$dom) {
echo 'Error while parsing the document';
exit;
}
$s = simplexml_import_dom($dom);
echo $s->book[0]->title; // blah
?>