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<?php |
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namespace PhpOffice\PhpSpreadsheet\Calculation\Financial; |
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use DateTimeInterface; |
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use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel; |
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use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants; |
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use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError; |
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class Helpers |
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{ |
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/** |
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* daysPerYear. |
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* |
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* Returns the number of days in a specified year, as defined by the "basis" value |
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* |
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* @param mixed $year The year against which we're testing, expect int|string |
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* @param int|string $basis The type of day count: |
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* 0 or omitted US (NASD) 360 |
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* 1 Actual (365 or 366 in a leap year) |
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* 2 360 |
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* 3 365 |
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* 4 European 360 |
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* |
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* @return int|string Result, or a string containing an error |
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*/ |
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public static function daysPerYear(mixed $year, $basis = 0): string|int |
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{ |
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108 |
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if (!is_int($year) && !is_string($year)) { |
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return ExcelError::VALUE(); |
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} |
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108 |
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if (!is_numeric($basis)) { |
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return ExcelError::NAN(); |
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} |
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switch ($basis) { |
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case FinancialConstants::BASIS_DAYS_PER_YEAR_NASD: |
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case FinancialConstants::BASIS_DAYS_PER_YEAR_360: |
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case FinancialConstants::BASIS_DAYS_PER_YEAR_360_EUROPEAN: |
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return 360; |
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case FinancialConstants::BASIS_DAYS_PER_YEAR_365: |
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return 365; |
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case FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL: |
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return (DateTimeExcel\Helpers::isLeapYear($year)) ? 366 : 365; |
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} |
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return ExcelError::NAN(); |
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} |
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/** |
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* isLastDayOfMonth. |
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* |
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* Returns a boolean TRUE/FALSE indicating if this date is the last date of the month |
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* |
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* @param DateTimeInterface $date The date for testing |
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*/ |
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public static function isLastDayOfMonth(DateTimeInterface $date): bool |
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{ |
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return $date->format('d') === $date->format('t'); |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
