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# DomDocument->document_element

(no version information, might be only in CVS)

DomDocument->document_element -- Returns root element node

## 说明

domelement DomDocument->document_element ( void )

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.

例子 1. 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
    )

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