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Return a well-formed XML string based on SimpleXML element


SimpleXMLElement::asXML

(PHP 5 >= 5.0.1)

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

Description

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

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

Parameters

filename

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

Return Values

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.

Examples

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();

?>

The above example will output:

 <?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();
}
?>

The above example will output:

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



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