public function getFilter($key)
	{
		if (!isset($this->filters[$key])) {
			throw new DataGridException("Filter [{$key}] is not defined");
		}

		return $this->filters[$key];
	}
public function getFilter($key)
	{
		if (!isset($this->filters[$key])) {
			throw new DataGridException("Filter [{$key}] is not defined");
		}

		return $this->filters[$key];
	}
public function getFilter ( $ key ) { if ( ! isset ( $ this -> filters [ $ key ] ) ) { throw new DataGridException ( "Filter [{$key}] is not defined" ) ; } return $ this -> filters [ $ key ] ; }
Get defined filter
@param  string $key
@return Filter\Filter
Get defined filter