README

A library that creates summable and diffable date intervals.

Installation

The installation of this library is made via composer and the autoloading of all classes of this library is made through their autoloader.

• Download composer.phar from their website.
• Then run the following command to install this library as dependency :
• php composer.phar php-extended/php-summable-date-interval ^9

Basic Usage

This library may be used the following way :

$dt1 = \DateTime::createFromFormat('<put your string value there>');
$dt2 = \DateTime::createFromFormat('<put another str value there>');

$interval = \SummableDateInterval::createFromDiff($dt1, $dt2);

$dt3 = new \DateTime('<put another str value here>');
$dt4 = new \DateTime();

$dtinterval = $dti = $dt3->diff($dt4);

// then add them together

$interval->add($dtinterval);
// or
$interval->sub($dtinterval);

// you can also use

$interval2 = \SummableDateInterval::createFromInterval($dtinterval);

// then, you can reinject it into a \DateTime :

$future = $dt4->add($interval);

License

MIT (See license file).