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<?php
// $Id: XML.php 545 2006-08-14 23:02:58Z emsmith $
/**
* XML Serializer - does NOT need a js serializer, use responseXML property in XmlHttpRequest
*
* @category HTML
* @package AJAX
* @author Elizabeth Smith <auroraeosrose@gmail.com>
* @copyright 2005-2006 Elizabeth Smith
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version Release: 0.5.0
* @link http://pear.php.net/package/PackageName
*/
class HTML_AJAX_Serializer_XML
{
/**
* Serializes a domdocument into an xml string
*
* Uses dom or domxml to dump a string from a DomDocument instance
* remember dom is always the default and this will die horribly without
* a domdocument instance
*
* @access public
* @param object $input instanceof DomDocument
* @return string xml string of DomDocument
*/
function serialize($input)
{
if(empty($input))
{
return $input;
}
// we check for the dom extension
elseif (extension_loaded('Dom'))
{
return $input->saveXml();
}
// otherwise we'll assume you're on php4 and using domxml
else
{
return $input->dump_mem();
}
}
/**
* Unserializes the xml string sent from the document
*
* Uses dom or domxml to pump a string into a DomDocument instance
* remember dom is always the default and this will die horribly without
* one or the other, and will throw warnings if you have bad xml
*
* @access public
* @param string $input The input to serialize.
* @return object instanceofDomDocument
*/
function unserialize($input)
{
if(empty($input))
{
return $input;
}
// we check for the dom extension
elseif (extension_loaded('Dom'))
{
$doc = new DOMDocument();
$doc->loadXML($input);
return $doc;
}
// otherwise we'll assume you're on php4 and using domxml
else
{
return domxml_open_mem($input);
}
}
}
?>
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