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<?php
      $tmp = JModuleHelper::renderModule('mod_stats');
      echo '<pre>';var_dump($tmp);echo'</pre>';
?>

<?php

$module = &JModuleHelper::getModule('mod_stats');
$output = JModuleHelper::renderModule($module);
...
echo $output;

   $module = &JModuleHelper::getModule( 'mod_stats' );
   echo '<pre>';var_dump($module);echo'</pre>';
   $output = JModuleHelper::renderModule( $module );
   echo '<pre>';var_dump($output);echo'</pre>';

<?php
$_module = &JModuleHelper::getModule( 'stats' );
echo '<xmp>', print_r($_module, true), '</xmp>';
$output = JModuleHelper::renderModule( $_module, array('style'=>'xhtml') );
echo '<xmp>', print_r($output, true), '</xmp>';

class CheckoutController extends JController
{

   /**
    * Controller for testing module inside component
    *
    */
   function viewLogin()
   {
      $view =& $this->getView( 'login');
      $model   =& $this->getModel( 'login' );
      $view->setModel( $model, true );
      $view->display();
      $dispatcher =& JEventDispatcher::getInstance();
      $dispatcher->register('onAfterDispatch', 'prepare_inline_modules');
      //and should also register task to unlink created temporary file.
   }


}

function prepare_inline_modules(){

#These are called when dispatching:
#JDocumentHTML::render
/*
$this->template =& $template;

// load
$data = $this->_loadTemplate($directory.DS.$template, $file);

// parse
$data = $this->_parseTemplate($data);
*/

#As we all know, this code sets components output to buffer.
#components output can then be retrieved by:

$document   =& JFactory::getDocument();
$buffer = $document->getBuffer('component');

#Then modules are rendered afterwards, starting when mainframe->render is called and rendering executed.
#Of course here template is loaded. Now there is a change after dispatch to inject new templatefile, that allready has components rendered content that has module tags.

#like this:
global $mainframe;
$temptemplatename = md5("something here or what ever");
//get real template.
$template   = $mainframe->getTemplate();
$file       = JRequest::getCmd('tmpl', 'index');
$data = file_get_contents(JPATH_THEMES.DS.$template.DS. $file.".php");

//and preg_replace
$newtemplatedata = preg_replace('#<jdoc:include\ type="component".*?\/>#i', $buffer, $data);

//save it, and set saved file to be new rendered template

$h = fopen(JPATH_THEMES.DS.$template.DS.$temptemplatename.".php",'w');
fwrite($h,$newtemplatedata);
fclose($h);
JRequest::setVar('tmpl',$temptemplatename);

}