JCache кеш

$JСache->get | $JСache->store

if ( !( $html = $JСache->get( 'action-footer' , 'mododuls' ) ) ) {
		jimport('ukcpu.document.document');
    jimport('ukcpu.admin.control');
    $uDoc = ukcpuDocument::getDocument(); 
    
		#$module = JModuleHelper::getModules('action-footer'); 
		#$attribs['style'] = 'raw'; 
		#$html =  JModuleHelper::renderModule($module[0], $attribs); 
    
    // if type html
    // minifid - html
		$html =  $uDoc -> minHtml ( $html ) ;
    
    $JСache->store( $html ,  'action-footer' , 'mododuls' );
	}
	echo  $html ;

jimport

jimport('joomla.cache.cache');
	

Joomla clear cache programmatically

if (!$this->app)
{
		$this->app = JFactory::getApplication();
}

if (!class_exists( 'CacheModelCache' )) 
            require(JPATH_ROOT .'/administrator/components/com_cache/models/cache.php');
        $modelCache = new CacheModelCache();
        $allCleared = true ; 
        $clients    = array(1, 0);
        
        foreach ($clients as $client)
		{
			$mCache    = $modelCache->getCache($client);
			$clientStr = JText::_($client ? 'JADMINISTRATOR' : 'JSITE') .' > ';

			foreach ($mCache->getAll() as $cache)
			{
				if ($mCache->clean($cache->group) === false)
				{
					$app->enqueueMessage(JText::sprintf('Ошибка очистки кеша ', $clientStr . $cache->group), 'error');
					$allCleared = false;
				}
			}
		}
        if ($allCleared)
		{
			
            $this->app->enqueueMessage(JText::_('Кеш очищен') , 'message' );
             
		}
		else
		{
			$this->app->enqueueMessage(JText::_('Кеш очищен не полностью'), 'warning');
		}
    
    
    
    

options

$options = array(
	'cachebase'    => JPATH_ROOT.DS.'cache' , // кеш папка в корне сайта
	'lifetime'     => 144000 , //  (int) $conf->get('cachetime'), // Врямя жизни кеша
	'caching'      => true , //   принудительное включение кеша
);
$JСache = new JCache($options);