Prado\I18N\core\DateFormat::getWeekInYear PHP 메소드

    protected function getWeekInYear($date, $pattern = 'w')
    {
        if ($pattern != 'w') {
            throw new Exception('The pattern for week in year is "w".');
        }
        return @date('W', @mktime(0, 0, 0, $date['mon'], $date['mday'], $date['year']));
    }