private function isSortedByMethod($column, $value)
    {
        return $this->isSortedBy($column) && $this->getParam(FilterInvoker::FILTER_PARAM_DESC) == $value;
    }
private function isSortedByMethod($column, $value)
    {
        return $this->isSortedBy($column) && $this->getParam(FilterInvoker::FILTER_PARAM_DESC) == $value;
    }
private function isSortedByMethod ( $ column , $ value ) { return $ this -> isSortedBy ( $ column ) && $ this -> getParam ( FilterInvoker :: FILTER_PARAM_DESC ) == $ value ; }
Determines whether a column has been sorted either by ASC or DESC method

@param string $column Column name
@param string $value
@return boolean
Determines whether a column has been sorted either by ASC or DESC method