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<?php |
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namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel; |
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use PhpOffice\PhpSpreadsheet\Calculation\Exception; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper; |
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class DateParts |
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{ |
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/** |
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* DAYOFMONTH. |
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* |
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* Returns the day of the month, for a specified date. The day is given as an integer |
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* ranging from 1 to 31. |
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* |
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* Excel Function: |
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* DAY(dateValue) |
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* |
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* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), |
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* PHP DateTime object, or a standard date string |
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* |
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* @return int|string Day of the month |
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*/ |
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public static function day($dateValue) |
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{ |
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$weirdResult = self::weirdCondition($dateValue); |
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if ($weirdResult >= 0) { |
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return $weirdResult; |
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} |
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try { |
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$dateValue = Helpers::getDateValue($dateValue); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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// Execute function |
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$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue); |
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return (int) $PHPDateObject->format('j'); |
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} |
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/** |
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* MONTHOFYEAR. |
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* |
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* Returns the month of a date represented by a serial number. |
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* The month is given as an integer, ranging from 1 (January) to 12 (December). |
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* |
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* Excel Function: |
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* MONTH(dateValue) |
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* |
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* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), |
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* PHP DateTime object, or a standard date string |
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* |
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* @return int|string Month of the year |
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*/ |
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public static function month($dateValue) |
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{ |
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try { |
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$dateValue = Helpers::getDateValue($dateValue); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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112 |
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if ($dateValue < 1 && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900) { |
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1 |
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return 1; |
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} |
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// Execute function |
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111 |
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$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue); |
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return (int) $PHPDateObject->format('n'); |
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} |
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/** |
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* YEAR. |
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* |
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* Returns the year corresponding to a date. |
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* The year is returned as an integer in the range 1900-9999. |
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* |
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* Excel Function: |
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* YEAR(dateValue) |
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* |
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* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), |
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* PHP DateTime object, or a standard date string |
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* |
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* @return int|string Year |
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*/ |
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public static function year($dateValue) |
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{ |
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try { |
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$dateValue = Helpers::getDateValue($dateValue); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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175 |
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if ($dateValue < 1 && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900) { |
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1 |
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return 1900; |
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} |
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// Execute function |
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$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue); |
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return (int) $PHPDateObject->format('Y'); |
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} |
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/** |
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* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), |
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* PHP DateTime object, or a standard date string |
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*/ |
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private static function weirdCondition($dateValue): int |
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{ |
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// Excel does not treat 0 consistently for DAY vs. (MONTH or YEAR) |
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if (SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900 && Functions::getCompatibilityMode() == Functions::COMPATIBILITY_EXCEL) { |
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if (is_bool($dateValue)) { |
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return (int) $dateValue; |
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} |
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if ($dateValue === null) { |
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return 0; |
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} |
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if (is_numeric($dateValue) && $dateValue < 1 && $dateValue >= 0) { |
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return 0; |
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} |
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} |
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return -1; |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
