ddvzwzjm/isda-day-count-convention

Calculate dates difference according to ISDA specification with PHP

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Details

github.com/ddvzwzjm/isda-day-count-convention

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pkg:composer/ddvzwzjm/isda-day-count-convention

1.0.0 2018-10-09 16:58 UTC

Requires (Dev)

MIT 5fd391135322b92ae5824b9743f1a24c0a0b211b

  • Oleksandr Erm <oleksandr.erm.woop@crosslend.com>

This package is auto-updated.

Last update: 2025-10-10 10:32:55 UTC

README

Calculate dates difference according to ISDA specification https://www.isda.org/a/aqMDE/2000-ISDA-Definitions-and-Annex.pdf

Usage

Install it from packagist

composer install ddvzwzjm/isda-day-count-convention

Use it in your code

$beginDate = new \DateTime('2007-02-28');
$endDate = new \DateTime('2007-03-31');

print ISDA::dateDiff30360($beginDate, $endDate); // 33 days
print ISDA::dateDiff30E360Isda($beginDate, $endDate); // 30 days
print ISDA::dateDiff30E360Eurobond($beginDate, $endDate); // 32 days
print ISDA::dateDiffActual360($beginDate, $endDate); // 31 days