public function getColumn($id)
    {
        $returnValue = null;

        
		if(isset($this->columns[$id]) && $this->columns[$id] instanceof tao_helpers_grid_Column){
			$returnValue = $this->columns[$id];
		}
        

        return $returnValue;
    }
public function getColumn($id)
    {
        $returnValue = null;

        
		if(isset($this->columns[$id]) && $this->columns[$id] instanceof tao_helpers_grid_Column){
			$returnValue = $this->columns[$id];
		}
        

        return $returnValue;
    }
public function getColumn ( $ id ) { $ returnValue = null ; if ( isset ( $ this -> columns [ $ id ] ) && $ this -> columns [ $ id ] instanceof tao_helpers_grid_Column ) { $ returnValue = $ this -> columns [ $ id ] ; } return $ returnValue ; }
Short description of method getColumn

@access public
@author Cédric Alfonsi, <cedric.alfonsi@tudor.lu>
@param  string id
@return tao_helpers_grid_Column
Short description of method getColumn