public function get_setting() {
        $result = parent::get_setting();
        if ($result === null) {
            // this is necessary for settings upgrade
            return null;
        }
        if (empty($result)) {
            $result = array('$@NONE@$');
        }
        return $result;
    }
public function get_setting() {
        $result = parent::get_setting();
        if ($result === null) {
            // this is necessary for settings upgrade
            return null;
        }
        if (empty($result)) {
            $result = array('$@NONE@$');
        }
        return $result;
    }
public function get_setting ( ) { $ result = parent :: get_setting ( ) ; if ( $ result === null ) { // this is necessary for settings upgrade return null ; } if ( empty ( $ result ) ) { $ result = array ( '$@NONE@$' ) ; } return $ result ; }
Returns the current setting

@return mixed array or string
Returns the current setting