original_string: public function add_worksheet($name = '') {
          $ws = new MoodleODSWorksheet($name, $this->worksheets);
          $this->worksheets[] = $ws;
          return $ws;
      }
code: public function add_worksheet($name = '') {
          $ws = new MoodleODSWorksheet($name, $this->worksheets);
          $this->worksheets[] = $ws;
          return $ws;
      }
code_tokens: public function add_worksheet ( $ name = '' ) { $ ws = new MoodleODSWorksheet ( $ name , $ this -> worksheets ) ; $ this -> worksheets [ ] = $ ws ; return $ ws ; }
docstring: Create one Moodle Worksheet.
  
  @param string $name Name of the sheet
  @return MoodleODSWorksheet
docstring_tokens: Create one Moodle Worksheet .