Horde_Icalendar::getComponentClasses PHP Method

    public function getComponentClasses()
    {
        $r = array();
        foreach ($this->_components as $c) {
            $cn = Horde_String::lower(get_class($c));
            if (empty($r[$cn])) {
                $r[$cn] = 1;
            } else {
                ++$r[$cn];
            }
        }
        return $r;
    }

 /**
  * Return the rendered inline version of the Horde_Mime_Part object.
  *
  * @return array  See parent::render().
  */
 protected function _renderInline()
 {
     $GLOBALS['page_output']->growler = true;
     $data = $this->_mimepart->getContents();
     $mime_id = $this->_mimepart->getMimeId();
     // Parse the iCal file.
     $vCal = new Horde_Icalendar();
     if (!$vCal->parsevCalendar($data, 'VCALENDAR', $this->_mimepart->getCharset())) {
         $status = new IMP_Mime_Status(_("The calendar data is invalid"));
         $status->action(IMP_Mime_Status::ERROR);
         return array($mime_id => array('data' => '', 'status' => $status, 'type' => 'text/html; charset=UTF-8'));
     }
     // Check if we got vcard data with the wrong vcalendar mime type.
     $imp_contents = $this->getConfigParam('imp_contents');
     $c = $vCal->getComponentClasses();
     if (count($c) == 1 && !empty($c['horde_icalendar_vcard'])) {
         return $imp_contents->renderMIMEPart($mime_id, IMP_Contents::RENDER_INLINE, array('type' => 'text/x-vcard'));
     }
     $imple = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Imple')->create('IMP_Ajax_Imple_ItipRequest', array('mime_id' => $mime_id, 'muid' => strval($imp_contents->getIndicesOb())));
     // Get the method type.
     try {
         $method = $vCal->getAttribute('METHOD');
     } catch (Horde_Icalendar_Exception $e) {
         $method = '';
     }
     $out = array();
     $components = $vCal->getComponents();
     foreach ($components as $key => $component) {
         switch ($component->getType()) {
             case 'vEvent':
                 try {
                     if ($component->getAttribute('RECURRENCE-ID')) {
                         break;
                     }
                 } catch (Horde_ICalendar_Exception $e) {
                 }
                 $out[] = $this->_vEvent($component, $key, $method, $components);
                 break;
             case 'vTodo':
                 $out[] = $this->_vTodo($component, $key, $method);
                 break;
             case 'vTimeZone':
                 // Ignore them.
                 break;
             case 'vFreebusy':
                 $out[] = $this->_vFreebusy($component, $key, $method);
                 break;
                 // @todo: handle stray vcards here as well.
             // @todo: handle stray vcards here as well.
             default:
                 $out[] = sprintf(_("Unhandled component of type: %s"), $component->getType());
                 break;
         }
     }
     $view = $this->_getViewOb();
     $view->formid = $imple->getDomId();
     $view->out = implode('', $out);
     return array($mime_id => array('data' => $view->render('base'), 'type' => 'text/html; charset=UTF-8'));
 }