/**
  * list_files function.
  *
  * @access public
  * @return void
  */
 public function list_files()
 {
     // Check Nonce
     check_ajax_referer('list-files', 'security');
     // Check user rights
     if (!current_user_can('manage_downloads')) {
         return false;
     }
     $path = esc_attr(stripslashes($_POST['path']));
     if ($path) {
         // The File Manager
         $file_manager = new DLM_File_Manager();
         // List all files
         $files = $file_manager->list_files($path);
         foreach ($files as $found_file) {
             // Multi-byte-safe pathinfo
             $file = $file_manager->mb_pathinfo($found_file['path']);
             if ($found_file['type'] == 'folder') {
                 echo '<li><a href="#" class="folder" data-path="' . trailingslashit($file['dirname']) . $file['basename'] . '">' . $file['basename'] . '</a></li>';
             } else {
                 $filename = $file['basename'];
                 $extension = empty($file['extension']) ? '' : $file['extension'];
                 if (substr($filename, 0, 1) == '.') {
                     continue;
                 }
                 // Ignore files starting with . like htaccess
                 if (in_array($extension, array('', 'php', 'html', 'htm', 'tmp'))) {
                     continue;
                 }
                 // Ignored file types
                 echo '<li><a href="#" class="file filetype-' . sanitize_title($extension) . '" data-path="' . trailingslashit($file['dirname']) . $file['basename'] . '">' . $file['basename'] . '</a></li>';
             }
         }
     }
     die;
 }