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<?php |
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/** |
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* Helper class that provides useful php functions. |
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* |
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* @author Vettivel Satheez <[email protected]> |
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* |
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* @link https://github.com/satheez |
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* |
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* @license MIT |
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*/ |
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namespace Sa\Helper; |
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use DateInterval; |
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use DatePeriod; |
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use DateTime; |
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class Date |
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{ |
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/** |
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* Prepare datetime object by week and year. |
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* |
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* @param int $year |
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* @param int $week |
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* |
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* @throws \Exception |
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* |
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* @return DateTime |
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*/ |
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public static function prepareDatetimeObjectByWeekAndYear(int $year, int $week): DateTime |
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{ |
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$dto = new DateTime(); |
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$dto->setISODate($year, $week); |
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return $dto; |
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} |
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/** |
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* Get week start and end dates by week number. |
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* |
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* @param int $year |
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* @param int $week |
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* |
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* @throws \Exception |
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* |
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* @return array |
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* |
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* @see https://stackoverflow.com/questions/4861384/php-get-start-and-end-date-of-a-week-by-weeknumber |
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*/ |
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public static function getWeekStartAndEndDatesByWeekNumber(int $year, int $week): array |
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{ |
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$res = []; |
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$dto = self::prepareDatetimeObjectByWeekAndYear($year, $week); |
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$res['week_start'] = $dto->format('Y-m-d'); |
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$dto->modify('+6 days'); |
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$res['week_end'] = $dto->format('Y-m-d'); |
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return $res; |
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} |
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/** |
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* Get last week number of a year. |
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* |
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* @param int $year |
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* |
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* @throws \Exception |
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* |
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* @return int |
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* |
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* @see https://stackoverflow.com/questions/3319386/php-get-last-week-number-in-year#9018728 |
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*/ |
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public static function getLastWeekOfTheYear(int $year) |
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{ |
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$dto = self::prepareDatetimeObjectByWeekAndYear($year, 53); |
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return $dto->format('W') === '53' ? 53 : 52; |
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} |
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/** |
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* Get all dates between two Dates. |
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* |
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* @param string|DateTime $startDate |
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* @param string|DateTime $endDate |
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* |
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* @throws \Exception |
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* |
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* @return array |
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* |
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* @see https://stackoverflow.com/questions/4312439/php-return-all-dates-between-two-dates-in-an-array |
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*/ |
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public static function getAllDatesBetweenTwoDates($startDate, $endDate): array |
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{ |
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if (!($startDate instanceof DateTime)) { |
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$startDate = new DateTime($startDate); |
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} |
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if (!($endDate instanceof DateTime)) { |
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$endDate = new DateTime($endDate); |
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} |
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$period = new DatePeriod($startDate, new DateInterval('P1D'), $endDate); |
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$dates = []; |
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if ($startDate > $endDate) { |
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return $dates; |
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} |
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foreach ($period as $key => $value) { |
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$dates[] = $value->format('Y-m-d'); |
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} |
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$dates[] = $endDate->format('Y-m-d'); |
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return $dates; |
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} |
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/** |
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* Check whether the given year is leaf year or not. |
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* |
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* @param int $year |
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* |
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* @throws \Exception |
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* |
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* @return bool |
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*/ |
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public static function isLeafYear(int $year) : bool |
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{ |
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$dto = self::prepareDatetimeObjectByWeekAndYear($year, 5); |
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return !empty($dto->format('L')); |
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} |
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} |
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Satheez /
php-helper-functions
