使用了php的PEAR和DB
<?php
// +----------------------------------------------------------------------+
// | PHP version 4.0                                                      |
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// | This source file is subject to version 2.0 of the PHP license,       |
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// +----------------------------------------------------------------------+
// | Authors: Christian Stocker <chregu@phant.ch>                         |
// +----------------------------------------------------------------------+
//
// $Id: sql2xml.php,v 1.59 2001/11/13 10:54:02 chregu Exp $

/**
* This class takes a PEAR::DB-Result Object, a sql-query-string or an array
*  and returns a xml-representation of it.
*
* TODO
*   -encoding etc, options for header
*   -ERROR CHECKING
*
* Usage example
*
* include_once ("DB.php");
* include_once("XML/sql2xml.php");
* $db = DB::connect("mysql://root@localhost/xmltest");
* $sql2xml = new xml_sql2xml();
* //the next one is only needed, if you need others than the default
* $sql2xml->setEncoding("ISO-8859-1","UTF-8");
* $result = $db->query("select * from bands");
* $xmlstring = $sql2xml->getXML($result);
*
* or
*
* include_once ("DB.php");
* include_once("XML/sql2xml.php");
* $sql2xml = new xml_sql2xml("mysql://root@localhost/xmltest");
* $sql2xml->Add("select * from bands");
* $xmlstring = $sql2xml->getXML();
*
* More documentation and a tutorial/how-to can be found at
*   http://php.chregu.tv/sql2xml
*
* @author   Christian Stocker <chregu@bitflux.ch>
* @version  $Id: sql2xml.php,v 1.59 2001/11/13 10:54:02 chregu Exp $
* @package  XML
*/
class XML_sql2xml {

    /**
    * If joined-tables should be output nested.
    *  Means, if you have joined two or more queries, the later
    *   specified tables will be nested within the result of the former