isWritable() public method

Test is writable
public isWritable ( string $dest ) : boolean
$dest string
return boolean
 public function uploadAction()
 {
     $translator = \Zend_Registry::get('container')->getService('translator');
     // get next redirect param
     $nextRedirect = new Zend_Session_Namespace('upload-next');
     $path = $this->parsePath($this->_getParam('path', ''));
     $plupload = $this->getHelper('plupload');
     $form = new Admin_Form_Upload();
     $form->setMethod('post');
     $form->getElement('submit')->setLabel($translator->trans('Done uploading', array(), 'themes'));
     $request = $this->getRequest();
     if ($request->isPost() && $form->isValid($request->getPost())) {
         $files = $plupload->getUploadedFiles();
         foreach ($files as $basename => $tmp) {
             $this->service->storeItem("{$path}/{$basename}", file_get_contents($tmp));
         }
         $this->_helper->flashMessenger($this->formatMessage(array_keys($files), $translator->trans('uploaded', array(), 'themes')));
         // redirect by next parameter
         if (!is_null($nextRedirect->next)) {
             $this->_helper->redirector->gotoRouteAndExit($nextRedirect->next);
         } else {
             $this->_helper->redirector->gotoSimple("index", "themes", "admin");
         }
     }
     // prelong next parameter
     $nextRedirect->setExpirationHops(7, 'next', true);
     $this->view->form = $form;
     $this->view->path = $this->view->basePath . $path;
     $this->view->isWritable = $this->service->isWritable($path);
 }