private function hasAtLeastOneFilter()
    {
        $columns = $this->options[self::GRID_PARAM_COLUMNS];

        foreach ($columns as $column) {
            if (isset($column[self::GRID_PARAM_FILTER]) && $column[self::GRID_PARAM_FILTER] == true) {
                return true;
            }
        }

        return false;
    }
private function hasAtLeastOneFilter()
    {
        $columns = $this->options[self::GRID_PARAM_COLUMNS];

        foreach ($columns as $column) {
            if (isset($column[self::GRID_PARAM_FILTER]) && $column[self::GRID_PARAM_FILTER] == true) {
                return true;
            }
        }

        return false;
    }
private function hasAtLeastOneFilter ( ) { $ columns = $ this -> options [ self :: GRID_PARAM_COLUMNS ] ; foreach ( $ columns as $ column ) { if ( isset ( $ column [ self :: GRID_PARAM_FILTER ] ) && $ column [ self :: GRID_PARAM_FILTER ] == true ) { return true ; } } return false ; }
Determines whether current configuration has at least one defined filter

@return boolean
Determines whether current configuration has at least one defined filter