<?php

$xml_file=$_GET['xml'];
$xsl_file=$_GET['xsl'];
// Load XML
$xml = new DOMDocument;
$xmldoc = DOMDocument::loadXML(file_get_contents($xml_file));
// Load XSL
$xsl = new DOMDocument;
$xsldoc = DOMDocument::loadXML(file_get_contents($xsl_file));
// Configure the transformer
$proc = new XSLTProcessor;
$proc->importStyleSheet($xsldoc); // attach the xsl rules
foreach ($_GET as $name => $value)
  if (($name != 'xml') && ($name != 'xsl')) 
    $proc->setParameter('',$name,$value);
echo $proc->transformToXML($xmldoc);

?>