update : 2015.11.03
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Return a well-formed XML string based on SimpleXML element
SimpleXMLElement
PHP Manual

SimpleXMLElement::asXML

(PHP 5 >= 5.0.1)

SimpleXMLElement::asXML — Return a well-formed XML string based on SimpleXML element

설명

public mixed SimpleXMLElement::asXML ([ string $filename ] )

The asXML method formats the parent object's data in XML version 1.0.

인수

filename

If specified, the function writes the data to the file rather than returning it.

반환값

If the filename isn't specified, this function returns a string on success and FALSE on error. If the parameter is specified, it returns TRUE if the file was written successfully and FALSE otherwise.

예제

Example #1 Get XML

<?php
$string = <<<XML
<a>
 <b>
  <c>text</c>
  <c>stuff</c>
 </b>
 <d>
  <c>code</c>
 </d>
</a>
XML;

$xml = new SimpleXMLElement($string);

echo $xml->asXML();

?>

위 예제의 출력:

<?xml version="1.0"?>
<a>
 <b>
  <c>text</c>
  <c>stuff</c>
 </b>
 <d>
  <c>code</c>
 </d>
</a>

asXML also works on Xpath results:

Example #2 Using asXML() on SimpleXMLElement::xpath() results

<?php
// Continued from example XML above.

/* Search for <a><b><c> */
$result = $xml->xpath('/a/b/c');

while(list( , $node) = each($result)) {
    echo $node->asXML();
}
?>

위 예제의 출력:

<c>text</c><c>stuff</c>

참고

SimpleXMLElement
PHP Manual