original_string: function is_downloadable($downloadable = null) {
          if ($downloadable !== null) {
              $this->downloadable = $downloadable;
          }
          return $this->downloadable;
      }
code: function is_downloadable($downloadable = null) {
          if ($downloadable !== null) {
              $this->downloadable = $downloadable;
          }
          return $this->downloadable;
      }
code_tokens: function is_downloadable ( $ downloadable = null ) { if ( $ downloadable !== null ) { $ this -> downloadable = $ downloadable ; } return $ this -> downloadable ; }
docstring: Probably don't need to call this directly. Calling is_downloading with a
  param automatically sets table as downloadable.
  
  @param bool $downloadable optional param to set whether data from
  table is downloadable. If ommitted this function can be used to get
  current state of table.
  @return bool whether table data is set to be downloadable.
docstring_tokens: Probably don t need to call this directly . Calling is_downloading with a param automatically sets table as downloadable .