original_string: public function set_filename($dataname, $extension = '.csv') {
          $filename = clean_filename($dataname);
          $filename .= clean_filename('-' . gmdate("Ymd_Hi"));
          $filename .= clean_filename("-{$this->delimiter}_separated");
          $filename .= $extension;
          $this->filename = $filename;
      }
code: public function set_filename($dataname, $extension = '.csv') {
          $filename = clean_filename($dataname);
          $filename .= clean_filename('-' . gmdate("Ymd_Hi"));
          $filename .= clean_filename("-{$this->delimiter}_separated");
          $filename .= $extension;
          $this->filename = $filename;
      }
code_tokens: public function set_filename ( $ dataname , $ extension = '.csv' ) { $ filename = clean_filename ( $ dataname ) ; $ filename .= clean_filename ( '-' . gmdate ( "Ymd_Hi" ) ) ; $ filename .= clean_filename ( "-{$this->delimiter}_separated" ) ; $ filename .= $ extension ; $ this -> filename = $ filename ; }
docstring: Set the filename for the uploaded csv file
  
  @param string $dataname    The name of the module.
  @param string $extenstion  File extension for the file.
docstring_tokens: Set the filename for the uploaded csv file