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@ 2019-02-11T11:22:59Z

<?php
declare(strict_types=1);

error_reporting(-1);
ini_set('display_errors', 'On');

/**
 * @param DateTimeImmutable $start
 * @param DateTimeImmutable $end
 *
 * @return Generator
 */
function remainingDaysPerMonthBetween(\DateTimeImmutable $start, \DateTimeImmutable $end): \Generator {
    while ($start < $end) {
        $diff = $start->diff(min(
            $start->modify('last day of this month'),
            $end
        ));

        yield [$start, $diff->days];

        $start = $start->modify('first day of next month');
    }
}

$start = new \DateTimeImmutable('2019-02-11');
$end = new \DateTimeImmutable('2019-04-23');

foreach (remainingDaysPerMonthBetween($start, $end) as [$date, $remainingDays]) {
    printf("%s: %d\n", $date->format('M'), $remainingDays + 1);
}

Output for git.master, git.master_jit, rfc.property-hooks: Feb: 18 Mar: 31 Apr: 23

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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