original_string: public function backup_details_unknown(moodle_url $nextstageurl) {
  
          $html  = html_writer::start_div('unknownformat');
          $html .= $this->output->heading(get_string('errorinvalidformat', 'backup'), 2);
          $html .= $this->output->notification(get_string('errorinvalidformatinfo', 'backup'), 'notifyproblem');
          $html .= $this->output->single_button($nextstageurl, get_string('continue'), 'post');
          $html .= html_writer::end_div();
  
          return $html;
      }
code: public function backup_details_unknown(moodle_url $nextstageurl) {
  
          $html  = html_writer::start_div('unknownformat');
          $html .= $this->output->heading(get_string('errorinvalidformat', 'backup'), 2);
          $html .= $this->output->notification(get_string('errorinvalidformatinfo', 'backup'), 'notifyproblem');
          $html .= $this->output->single_button($nextstageurl, get_string('continue'), 'post');
          $html .= html_writer::end_div();
  
          return $html;
      }
code_tokens: public function backup_details_unknown ( moodle_url $ nextstageurl ) { $ html = html_writer :: start_div ( 'unknownformat' ) ; $ html .= $ this -> output -> heading ( get_string ( 'errorinvalidformat' , 'backup' ) , 2 ) ; $ html .= $ this -> output -> notification ( get_string ( 'errorinvalidformatinfo' , 'backup' ) , 'notifyproblem' ) ; $ html .= $ this -> output -> single_button ( $ nextstageurl , get_string ( 'continue' ) , 'post' ) ; $ html .= html_writer :: end_div ( ) ; return $ html ; }
docstring: Displays the general information about a backup file with unknown format
  
  @param moodle_url $nextstageurl URL to send user to
  @return string HTML code to display
docstring_tokens: Displays the general information about a backup file with unknown format