public function executeCoreClearCache($arguments, $options)
 {
     $path = realpath(sgContext::getInstance()->getRootDir() . '/cache/');
     if (!$path) {
         $targetDir = realpath($_SERVER['PWD']);
         sgToolkit::mkdir($targetDir . '/cache', 0777);
     } else {
         $files = sgToolkit::getFiles($path);
         sgToolkit::remove($files);
     }
 }