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<?php |
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namespace Andegna\Ethiopian; |
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use Andegna\Converter\ToJdnConverter; |
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use Andegna\Validator\LeapYearValidator; |
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use DateTime as BaseDateTime; |
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use DateTimeZone; |
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class DateTimeFactory |
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{ |
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/** |
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* Create a date time representing now. |
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* |
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* @param DateTimeZone|null $dateTimeZone |
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* |
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* @return DateTime |
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*/ |
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public static function now(DateTimeZone $dateTimeZone = null) |
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{ |
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$dateTimeZone = self::defaultDateTimeZone($dateTimeZone); |
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return new DateTime( |
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new BaseDateTime('now', $dateTimeZone) |
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); |
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} |
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/** |
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* @param $dateTimeZone |
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* |
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* @return DateTimeZone |
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*/ |
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protected static function defaultDateTimeZone($dateTimeZone) |
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{ |
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if (is_null($dateTimeZone)) { |
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return new DateTimeZone(date_default_timezone_get()); |
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} |
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return $dateTimeZone; |
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} |
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/** |
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* Get the last day of year and month. |
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* |
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* @param $year |
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* @param int $month |
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* |
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* @return DateTime |
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*/ |
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public static function lastDayOf($year, $month = 13) |
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{ |
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$leapYear = (new LeapYearValidator($year))->isValid(); |
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$lastDay = 30; |
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if ($month == 13) { |
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$lastDay = $leapYear ? 6 : 5; |
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} |
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return static::of($year, $month, $lastDay); |
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} |
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/** |
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* Create a DateTime of year month day ... |
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* |
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* @param int $year |
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* @param int $month |
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* @param int $day |
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* @param int $hour |
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* @param int $minute |
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* @param int $second |
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* @param DateTimeZone|null $dateTimeZone |
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* |
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* @return DateTime |
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*/ |
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public static function of( |
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$year, |
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$month, |
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$day, |
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$hour = 0, |
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$minute = 0, |
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$second = 0, |
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DateTimeZone $dateTimeZone = null |
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) { |
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// Convert to Julian Date Number |
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$jdn = (new ToJdnConverter($day, $month, $year))->getJdn(); |
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// The gregorian date in "month/day/year" format |
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$gregorian = \jdtogregorian($jdn); |
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$dateTimeZone = self::defaultDateTimeZone($dateTimeZone); |
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$base = new BaseDateTime("$gregorian $hour:$minute:$second", $dateTimeZone); |
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return new DateTime($base); |
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} |
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} |
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andegna /
calender
