original_string: public function onExistingVisit(Request $request, Visitor $visitor, $action)
      {
          if (empty($action)) {
              return false; // Do not change an already persisted value
          }
  
          return $visitor->getVisitorColumn($this->columnName) + 1;
      }
code: public function onExistingVisit(Request $request, Visitor $visitor, $action)
      {
          if (empty($action)) {
              return false; // Do not change an already persisted value
          }
  
          return $visitor->getVisitorColumn($this->columnName) + 1;
      }
code_tokens: public function onExistingVisit ( Request $ request , Visitor $ visitor , $ action ) { if ( empty ( $ action ) ) { return false ; // Do not change an already persisted value } return $ visitor -> getVisitorColumn ( $ this -> columnName ) + 1 ; }
docstring: The onExistingVisit method is triggered when a visitor was recognized meaning it is not a new visitor.
  If you want you can overwrite any previous value set by the event onNewVisit. By returning boolean false no value
  will be updated. If you do not want to perform any action on a new visit you can just remove this method.
  
  @param Request $request
  @param Visitor $visitor
  @param Action|null $action
  
  @return mixed|false
docstring_tokens: The onExistingVisit method is triggered when a visitor was recognized meaning it is not a new visitor . If you want you can overwrite any previous value set by the event onNewVisit . By returning boolean false no value will be updated . If you do not want to perform any action on a new visit you can just remove this method .