Online PHP editor | output for B2oSM

@ 2018-05-31T06:45:52Z

<?php

function work_days_between_two_dates(\DateTime $begin, \DateTime $end) {
    $workdays = [];
    $all_days = new DatePeriod($begin, new DateInterval('P1D'), $end->modify('+1 day'));
    foreach ($all_days as $day) {
        $dow = (int)$day->format('w');
        $dom = (int)$day->format('j');
        if (1 <= $dow && $dow <= 5) { // Mon - Fri
            $workdays[] = $day;
        } else if (6 == $dow && 0 == $dom % 2) { // Even Saturday
            $workdays[] = $day;
        }
    }
    return $workdays;
}

$begin = new \DateTime('2018-06-01');
$end   = new \DateTime('2018-06-15');
$days  = work_days_between_two_dates($begin, $end);
foreach ($days as $day) {
    echo $day->format('Y-m-d') . PHP_EOL;
}

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6: 2018-06-01 2018-06-02 2018-06-04 2018-06-05 2018-06-06 2018-06-07 2018-06-08 2018-06-11 2018-06-12 2018-06-13 2018-06-14 2018-06-15
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 2018-06-01 2018-06-02 2018-06-04 2018-06-05 2018-06-06 2018-06-07 2018-06-08 2018-06-11 2018-06-12 2018-06-13 2018-06-14 2018-06-15

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