original_string: public static function getUniqueCode($file)
      {
          if (!$file) {
              return null;
          }
  
          $hash = md5($file->file_name . '!' . $file->disk_name);
          return base64_encode($file->id . '!' . $hash);
      }
code: public static function getUniqueCode($file)
      {
          if (!$file) {
              return null;
          }
  
          $hash = md5($file->file_name . '!' . $file->disk_name);
          return base64_encode($file->id . '!' . $hash);
      }
code_tokens: public static function getUniqueCode ( $ file ) { if ( ! $ file ) { return null ; } $ hash = md5 ( $ file -> file_name . '!' . $ file -> disk_name ) ; return base64_encode ( $ file -> id . '!' . $ hash ) ; }
docstring: Returns a unique code used for masking the file identifier.
  @param $file System\Models\File
  @return string
docstring_tokens: Returns a unique code used for masking the file identifier .