original_string: public static function getThumbUrl($file, $width, $height, $options)
      {
          return Backend::url('backend/files/thumb/' . self::getUniqueCode($file)) . '/' . $width . '/' . $height . '/' . $options['mode'] . '/' . $options['extension'];
      }
code: public static function getThumbUrl($file, $width, $height, $options)
      {
          return Backend::url('backend/files/thumb/' . self::getUniqueCode($file)) . '/' . $width . '/' . $height . '/' . $options['mode'] . '/' . $options['extension'];
      }
code_tokens: public static function getThumbUrl ( $ file , $ width , $ height , $ options ) { return Backend :: url ( 'backend/files/thumb/' . self :: getUniqueCode ( $ file ) ) . '/' . $ width . '/' . $ height . '/' . $ options [ 'mode' ] . '/' . $ options [ 'extension' ] ; }
docstring: Returns the URL for downloading a system file.
  @param $file System\Models\File
  @param $width int
  @param $height int
  @param $options array
  @return string
docstring_tokens: Returns the URL for downloading a system file .