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@ 2015-10-26T09:30:16Z

<?php
    // Initial datetimes
    $date1 = new DateTime('2012-03-22 11:29:16');
    $date2 = new DateTime('2012-03-24 03:58:58');

    // Set first datetime to midnight of next day
    $start = clone $date1;
    $start->modify('+1 day');
    $start->modify('midnight');

    // Set second datetime to midnight of that day
    $end = clone $date2;
    $end->modify('midnight');

    // Count the number of full days between both dates
    $days = 0;

    // Loop through each day between two dates
    $interval = new DateInterval('P1D');
    $period   = new DatePeriod($start, $interval, $end);
    foreach ($period as $dt) {
        // If it is a weekend don't count it
        if (!in_array($dt->format('l'), array('Saturday', 'Sunday'))) {
            $days++;
        }
    }
    print "<pre>";
    print_r($period);
    print "</pre>";
    // Assume 8 hour workdays
    $hours = $days * 8;

    // Get the number of hours worked on the first day
    $date1->modify('5:30 PM');
    $diff = $date1->diff($start);
    $hours += $diff->h;

    // Get the number of hours worked the second day
    $date1->modify('8 AM');
    $diff = $date2->diff($end);
    $hours += $diff->h;

    echo $hours;

Output for git.master, git.master_jit, rfc.property-hooks: <pre>DatePeriod Object ( [start] => DateTime Object ( [date] => 2012-03-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) [current] => DateTime Object ( [date] => 2012-03-24 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) [end] => DateTime Object ( [date] => 2012-03-24 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) [interval] => DateInterval Object ( [y] => 0 [m] => 0 [d] => 1 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [invert] => 0 [days] => [from_string] => ) [recurrences] => 1 [include_start_date] => 1 [include_end_date] => ) </pre>17

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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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