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@ 2023-12-08T04:49:27Z

<?php

$tests = [
    0,
    1,
    2,
    7,
    8,
    9,
    28,
    29,
    30,
];

foreach ($tests as $days) {
    echo "\n$days: ";
    $w = intdiv($days, 7);
    $d = $days % 7;
    if (!$d && !$w) {
        echo '0 days';
    } else {
        if ($w) {
            echo "$w week" . ($w === 1 ? '' : 's');
        }
        if ($d) {
            echo ($w ? ' and ' : '') . "$d day" . ($d === 1 ? '' : 's');
        }
    }
}

Output
Performance
VLD
References
Branches

intdiv: documentation ( source)

preferences:dark modelive previewkey bindings

55.21 ms | 1004 KiB | 5 Q