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Long Term Support Release
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fraction($startDate, $endDate, $method = 0) X-Ref |
YEARFRAC. Calculates the fraction of the year represented by the number of whole days between two dates (the start_date and the end_date). Use the YEARFRAC worksheet function to identify the proportion of a whole year's benefits or obligations to assign to a specific term. Excel Function: YEARFRAC(startDate,endDate[,method]) See https://lists.oasis-open.org/archives/office-formula/200806/msg00039.html for description of algorithm used in Excel param: mixed $startDate Excel date serial value (float), PHP date timestamp (integer), param: mixed $endDate Excel date serial value (float), PHP date timestamp (integer), param: array|int $method Method used for the calculation return: array|float|string fraction of the year, or a string containing an error |
excelBug(float $sDate, $startDate, $endDate, int $method) X-Ref |
Excel 1900 calendar treats date argument of null as 1900-01-00. Really. param: mixed $startDate param: mixed $endDate |
method1(float $startDate, float $endDate) X-Ref |
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