src/Versioned.php
public static function reading_archived_date($date, $stage = self::DRAFT)
    {
        ReadingMode::validateStage($stage);
        Versioned::set_reading_mode('Archive.' . $date . '.' . $stage);
    }
public static function reading_archived_date($date, $stage = self::DRAFT)
    {
        ReadingMode::validateStage($stage);
        Versioned::set_reading_mode('Archive.' . $date . '.' . $stage);
    }
public static function reading_archived_date ( $ date , $ stage = self :: DRAFT ) { ReadingMode :: validateStage ( $ stage ) ; Versioned :: set_reading_mode ( 'Archive.' . $ date . '.' . $ stage ) ; }
Set the reading archive date.

@param string $date New reading archived date.
@param string $stage Set stage
Set the reading archive date .