DomDocument->document_element

Returns root element node ()
domelement DomDocument->document_element ( )

说明

This function returns the root element node of a document.

The following example returns just the element with name CHAPTER and prints it. The other node -- the comment -- is not returned.

例 494. Retrieving root element

<?php
include("example.inc");

if (!
$dom = domxml_open_mem($xmlstr)) {
 echo
"Error while parsing the document\n";
 exit;
}

$root = $dom->document_element();
print_r($root);
?>

上例将输出:

domelement Object
(
   [type] => 1
   [tagname] => chapter
   [0] => 6
   [1] => 137960648
)