function MakePropertyValue($name,$value,$osm){ 
  $oStruct = $osm->Bridge_GetStruct("com.sun.star.beans.PropertyValue"); 
  $oStruct->Name = $name; 
  $oStruct->Value = $value; 
  return $oStruct; 
}


function word2pdf($doc_url, $output_url){ 
  $osm = new COM("com.sun.star.ServiceManager") or die ("Please be sure that OpenOffice.org is installed.n"); 
  $args = array(MakePropertyValue("Hidden",true,$osm)); 
  $oDesktop = $osm->createInstance("com.sun.star.frame.Desktop"); 
  $oWriterDoc = $oDesktop->loadComponentFromURL($doc_url,"_blank", 0, $args);
  $export_args = array(MakePropertyValue("FilterName","writer_pdf_Export",$osm));
  $oWriterDoc->storeToURL($output_url,$export_args); 
  $oWriterDoc->close(true); 
}


$doc_file=dirname(__FILE__)."/11.doc"; //源文件，DOC或者WPS都可以
$output_file=dirname(__FILE__)."/11.pdf"; //欲转PDF的文件名
$doc_file = "file:///" . $doc_file;
$output_file = "file:///" . $output_file;
$document->word2pdf($doc_file,$output_file);

$doc_file=dirname(__FILE__)."/11.doc"; //源文件，DOC或者WPS都可以
$output_file=dirname(__FILE__)."/11.pdf"; //欲转PDF的文件名
$output_file=str_replace("\\","/",$output_file);
$doc_file = "file:///" . $doc_file;
$output_file = "file:///" . $output_file;
$document->word2pdf($doc_file,$output_file);