public function actionBackup()
 {
     Yii::import('application.extensions.yii-zip.CreateZipFile');
     $createZip = new CreateZipFile();
     //$createZip->zipDirectory('../ims/protected', '');
     $createZip->zipDirectory('protected/data', '');
     $date = date('d-F-y-h-i');
     $zipFileName = $date . '_ims_backup.zip';
     $handle = fopen($zipFileName, 'wb');
     $out = fwrite($handle, $createZip->getZippedFile());
     fclose($handle);
     $createZip->forceDownload($zipFileName);
     @unlink($zipFileName);
 }
 function download_zip()
 {
     require "create_zip_file.php";
     $files_to_zip = array();
     // create files array
     //run a query
     $post_id = $_POST["Id"];
     $args = array('post_type' => $this->post_types_attachments, 'post_parent' => $post_id);
     $attachments = get_posts($args);
     if ($attachments) {
         //print_r($attachments);
         foreach ($attachments as $attachment) {
             $files_to_zip[] = get_attached_file($attachment->ID);
             // populate files array
         }
         //print_r($files_to_zip);
         //exit;
         $zip = new CreateZipFile();
         $uploads = wp_upload_dir();
         $tmp_location = $uploads['path'];
         $tmp_location_url = $uploads['url'];
         $FileName = sanitize_title(get_the_title($post_id)) . ".zip";
         $zipFileName = $tmp_location . '/' . $FileName;
         //$zipFileName_url = $tmp_location_url.'/'.sanitize_title(get_the_title($post_id)).".zip";
         //$zip->addDirectory('/');
         foreach ($files_to_zip as $file) {
             //$filecontent =
             $zip->addFile(file_get_contents($file), basename($file));
         }
         $handle = fopen($zipFileName, 'wb');
         $out = fwrite($handle, $zip->getZippedFile());
         fclose($handle);
         //$zip->forceDownload($zipFileName);
         //@unlink($zipFileName);
         echo plugins_url($file_path, __FILE__) . "/download.php?File=" . $FileName;
     } else {
         echo 'false';
     }
     exit;
 }