PHP JTheFactoryThemesHelper::isCoreTheme示例

 function delete()
 {
     $themename = JRequest::getVar('theme');
     if (is_array($themename)) {
         $themename = $themename[0];
     }
     $themedir = JTheFactoryThemesHelper::getThemeDir();
     if (!JTheFactoryThemesHelper::isThemeFile($themedir . DS . $themename . DS . "theme.xml")) {
         JError::raiseWarning(420, JText::_("FACTORY_THEME_IS_NOT_VALID"));
         $this->setRedirect("index.php?option=" . APP_EXTENSION . "&task=themes.listthemes");
         return true;
     }
     if (JTheFactoryThemesHelper::isCoreTheme($themedir . DS . $themename . DS . "theme.xml")) {
         JError::raiseWarning(420, JText::_("FACTORY_THEME_IS_CORE_AND_CAN_NOT_BE_DELETED"));
         $this->setRedirect("index.php?option=" . APP_EXTENSION . "&task=themes.listthemes");
         return true;
     }
     jimport('joomla.filesystem.folder');
     JFolder::delete($themedir . DS . $themename);
     $this->setRedirect("index.php?option=" . APP_EXTENSION . "&task=themes.listthemes", JText::_("FACTORY_THEME_DELETED"));
 }