Online PHP editor | output for 6c46I

@ 2014-05-18T02:49:16Z

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

    // 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++;
        }
    }

    // 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 5.3.6 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: 17
Output for 5.3.0 - 5.3.5: 8
Output for 5.2.3 - 5.2.17: Fatal error: Class 'DateInterval' not found in /in/6c46I on line 19
Process exited with code 255.
Output for 5.2.0 - 5.2.2: Fatal error: Class 'DateInterval' not found in /in/6c46I on line 19 
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Fatal error: Class 'DateTime' not found in /in/6c46I on line 3 
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_VARIABLE in /in/6c46I on line 7 
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_VARIABLE in /in/6c46I on line 7 
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/6c46I on line 7 
Process exited with code 255.

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