// according to language
        // only if you have defined the
        if (!empty($sampleId)) {
            // fetch some data about the content
            try {
                // using shLib database helper is J2.x/J3.x safe
                $sampleTitle = ShlDbHelper::selectObject('#__sample_names', array('id', 'title'), array('id' => $sampleId));
            } catch (Exception $e) {
                ShlSystem_Log::error('sh404sef', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__, $e->getMessage());
            }
            if ($sampleTitle) {
                // if we found a title for this element
                $title[] = $sampleTitle->title;
                // insert it in URL array
                shRemoveFromGETVarsList('sampleId');
                // remove sampleId var from GET vars list
                // as we have found a text equivalent
                shMustCreatePageId('set', true);
                // NEW: ask sh404sef to create a short URL for this SEF URL (pageId)
            }
        }
        shRemoveFromGETVarsList('task');
        // also remove task, as it is not needed
        // because we can revert the SEF URL without
        // it
}
// ------------------  standard plugin finalize function - don't change ---------------------------
if ($dosef) {
    $string = shFinalizePlugin($string, $title, $shAppendString, $shItemidString, isset($limit) ? @$limit : null, isset($limitstart) ? @$limitstart : null, isset($shLangName) ? @$shLangName : null);
}
// ------------------  standard plugin finalize function - don't change ---------------------------

//.........这里部分代码省略.........
                 // router.php has encoded that in the url, we need to undo
                 $title = array();
                 $originalVars['searchword'] = $vars['searchword'];
                 shAddToGETVarsList('searchword', $vars['searchword']);
                 if (!empty($vars['view'])) {
                     $vars['view'] = $vars['view'];
                     shAddToGETVarsList('view', $vars['view']);
                 }
             }
             // handle menu items, having only a single Itemid in the url
             // (router.php will return an empty array in that case, even if we have restored
             // the full non-sef url, as we already did)
             /*
              * Build the application route
              */
             $tmp = '';
             if (empty($title) && isset($vars['Itemid']) && !empty($vars['Itemid'])) {
                 $menu =& shRouter::shGetMenu();
                 $item = $menu->getItem($vars['Itemid']);
                 if (is_object($item) && $vars['option'] == $item->component) {
                     $title[] = $item->route;
                 }
             }
             if (empty($title)) {
                 //$title[] = 'comp';
                 $title[] = substr($vars['option'], 4);
             }
             // add user defined prefix
             $prefix = shGetComponentPrefix($option);
             if (!empty($prefix)) {
                 array_unshift($title, $prefix);
             }
             // now process the resulting title string
             $string = shFinalizePlugin($string, $title, $shAppendString, '', isset($limit) ? @$limit : null, isset($limitstart) ? @$limitstart : null, isset($shLangName) ? @$shLangName : null, isset($showall) ? @$showall : null);
             break;
             // use sh404sef plugins, either in ext. dir or in sh404sef dir
         // use sh404sef plugins, either in ext. dir or in sh404sef dir
         case Sh404sefClassBaseextplugin::TYPE_SH404SEF_ROUTER:
             _log('Loading sh404SEF plugin in ' . $extPluginPath);
             include $extPluginPath;
             break;
         case Sh404sefClassBaseextplugin::TYPE_JOOMSEF_ROUTER:
             Sh404sefHelperExtplugins::loadJoomsefCompatLibs();
             include_once $extPluginPath;
             $className = 'SefExt_' . $option;
             $plugin = new $className();
             if (!shIsHomepage($string)) {
                 // make sure the plugin does not try to calculate pagination
                 $params =& SEFTools::GetExtParams('com_content');
                 $params->set('pagination', '1');
                 // ask plugin to build url
                 $plugin->beforeCreate($originalUri);
                 $result = $plugin->create($originalUri);
                 $title = empty($result['title']) ? array() : $result['title'];
                 $plugin->afterCreate($originalUri);
                 // make sure we have a url
                 if (empty($title) && isset($vars['Itemid']) && !empty($vars['Itemid'])) {
                     $menu =& shRouter::shGetMenu();
                     $item = $menu->getItem($vars['Itemid']);
                     if (is_object($item) && $vars['option'] == $item->component) {
                         $title[] = $item->route;
                     }
                 }
                 $prefix = shGetComponentPrefix($option);
                 if (!empty($prefix)) {
                     array_unshift($title, $prefix);

 function create($string, &$vars, &$shAppendString, $shLanguage, $shSaveString = '', &$originalUri)
 {
     $sefConfig =& shRouter::shGetConfig();
     // get DB
     $database =& JFactory::getDBO();
     _log('Calling sef404 create function with ' . $string);
     if ($sefConfig->shInsertGlobalItemidIfNone && !empty($GLOBALS['Itemid'])) {
         // V 1.2.4.t
         $shCurrentItemid = $GLOBALS['Itemid'];
     } else {
         $shCurrentItemid = null;
     }
     $index = str_replace($GLOBALS['shConfigLiveSite'], '', $_SERVER['PHP_SELF']);
     $base = dirname($index);
     $base .= $base == '/' ? '' : '/';
     extract($vars);
     if (isset($title)) {
         // V 1.2.4.r : protect against components using 'title' as GET vars (com_jim for instance)
         $sh404SEF_title = $title;
     }
     // means that $sh404SEF_title has to be used in plugins or extensions
     $title = array();
     // V 1.2.4.r
     // Plug-in system.
     $shDoNotOverride = in_array(str_replace('com_', '', $option), $sefConfig->shDoNotOverrideOwnSef);
     // look first in component owndir for a joomla sef router.php file
     if (shFileExists(JPATH_ROOT . DS . 'components' . DS . $option . DS . 'router.php') && ($shDoNotOverride || !$shDoNotOverride && !shFileExists(sh404SEF_ABS_PATH . 'components/com_sh404sef/sef_ext/' . $option . '.php') && !shFileExists(JPATH_ROOT . DS . 'components/' . $option . '/sef_ext/' . $option . '.php'))) {
         // but we don't have a plugin
         // Load the plug-in file.
         _log('Loading component own router.php file');
         $functionName = ucfirst(str_replace('com_', '', $option)) . 'BuildRoute';
         if (!function_exists($functionName)) {
             include JPATH_ROOT . DS . 'components' . DS . $option . DS . 'router.php';
         }
         $originalVars = empty($originalUri) ? $vars : $originalUri->getQuery($asArray = true);
         $title = $functionName($originalVars);
         //$title = shRemoveSlugs( $title, $removeWhat = 'removeId');
         global $mainframe;
         $router =& $mainframe->getRouter();
         $title = $router->_encodeSegments($title);
         // manage GET var lists ourselves, as Joomla router.php does not do it
         if (!empty($vars)) {
             // there are some unused GET vars, we must transfer them to our mechanism, so
             // that they are eventually appended to the sef url
             foreach ($vars as $k => $v) {
                 switch ($k) {
                     case 'option':
                     case 'Itemid':
                         shRemoveFromGETVarsList($k);
                         break;
                     default:
                         // if variable has not been used in sef url, add it to list of variables to be
                         // appended to the url as query string elements
                         if (array_key_exists($k, $originalVars)) {
                             shAddToGETVarsList($k, $v);
                         } else {
                             shRemoveFromGETVarsList($k);
                         }
                         break;
                 }
             }
         }
         // special case for search component, as router.php encode the search word in the url
         // wa can't do that, as we are storing each url in the db
         if (isset($originalVars['option']) && $originalVars['option'] == 'com_search' && !empty($vars['searchword'])) {
             // router.php has encoded that in the url, we need to undo
             $title = array();
             $originalVars['searchword'] = $vars['searchword'];
             shAddToGETVarsList('searchword', $vars['searchword']);
             if (!empty($vars['view'])) {
                 $vars['view'] = $vars['view'];
                 shAddToGETVarsList('view', $vars['view']);
             }
         }
         // handle menu items, having only a single Itemid in the url
         // (router.php will return an empty array in that case, even if we have restored
         // the full non-sef url, as we already did)
         /*
          * Build the application route
          */
         $tmp = '';
         if (empty($title) && isset($vars['Itemid']) && !empty($vars['Itemid'])) {
             $menu =& shRouter::shGetMenu();
             $item = $menu->getItem($vars['Itemid']);
             if (is_object($item) && $vars['option'] == $item->component) {
                 $title[] = $item->route;
             }
         }
         if (empty($title)) {
             //$title[] = 'comp';
             $title[] = substr($vars['option'], 4);
         }
         // add user defined prefix
         $prefix = shGetComponentPrefix($option);
         if (!empty($prefix)) {
             array_unshift($title, $prefix);
         }
         // now process the resulting title string
         $string = shFinalizePlugin($string, $title, $shAppendString, '', isset($limit) ? @$limit : null, isset($limitstart) ? @$limitstart : null, isset($shLangName) ? @$shLangName : null, isset($showall) ? @$showall : null);
     } else {
//.........这里部分代码省略.........

    }
    $title = empty($title) ? $title : $pageInfo->router->encodeSegments($title);
}
// manage GET var lists ourselves, as Joomla router.php does not do it
if (!empty($vars)) {
    // there are some unused GET vars, we must transfer them to our mechanism, so
    // that they are eventually appended to the sef url
    foreach ($vars as $k => $v) {
        switch ($k) {
            case 'option':
            case 'Itemid':
            case 'lang':
                shRemoveFromGETVarsList($k);
                break;
            default:
                // if variable has not been used in sef url, add it to list of variables to be
                // appended to the url as query string elements
                if (array_key_exists($k, $originalVars)) {
                    shAddToGETVarsList($k, $v);
                } else {
                    shRemoveFromGETVarsList($k);
                }
                break;
        }
    }
}
// ------------------  standard plugin finalize function - don't change ---------------------------
if ($dosef) {
    $string = shFinalizePlugin($string, $title, $shAppendString, $shItemidString, isset($limit) ? $limit : null, isset($limitstart) ? $limitstart : null, isset($shLangName) ? $shLangName : null, isset($showall) ? $showall : null, $suppressPagination = true);
}
// ------------------  standard plugin finalize function - don't change ---------------------------

  // system plugins may cause pdf and rss to break if they call JFactory::getDocument() in the onAfterInitialize event handler
  // because at this time SEF url are not decoded yet.
  if (isset($format) && (!sh404SEF_PROTECT_AGAINST_DOCUMENT_TYPE_ERROR || (sh404SEF_PROTECT_AGAINST_DOCUMENT_TYPE_ERROR && $format == 'html')))
  shRemoveFromGETVarsList('format');
  if (isset($type))
  shRemoveFromGETVarsList('type');
  if (!empty($catid))
  shRemoveFromGETVarsList('catid');   // V 1.2.4.m
  if (isset($showall))
  shRemoveFromGETVarsList('showall');
  if (empty($page))  // remove page if not set or 0
  shRemoveFromGETVarsList('page');
  if (isset($print))
  shRemoveFromGETVarsList('print');
  if (isset($tmpl) && $tmpl == 'component')   // remove if 'component', show otherwise as querystring
  shRemoveFromGETVarsList('tmpl');

  // ------------------  standard plugin finalize function - don't change ---------------------------
  if ($dosef){
    $string = shFinalizePlugin( $string, $title, $shAppendString, $shItemidString,
    (isset($limit) ? $limit : null), (isset($limitstart) ? $limitstart : null),
    (isset($shLangName) ? $shLangName : null), (isset($showall) ? $showall : null));
  }
  // ------------------  standard plugin finalize function - don't change ---------------------------
} else { // this is multipage homepage
  $title[] = '/';
  $string = sef_404::sefGetLocation( $string, $title, null, (isset($limit) ? $limit : null),
  (isset($limitstart) ? $limitstart : null), (isset($shLangName) ? $shLangName : null),
  (isset($showall) ? $showall : null));
}