public function getFilter($filterName = null)
    {
        return isset($this->filters[$filterName])? $this->filters[$filterName] : false;
    }
public function getFilter($filterName = null)
    {
        return isset($this->filters[$filterName])? $this->filters[$filterName] : false;
    }
public function getFilter ( $ filterName = null ) { return isset ( $ this -> filters [ $ filterName ] ) ? $ this -> filters [ $ filterName ] : false ; }
Returns a route filter

@param string $filterName Filter name
@return mixed Registered filter
Returns a route filter