PhpSpreadsheet/tests/data/Calculation/Financial/DDB.php

<?php

// cost, salvage, life, period, month, result

return [
    [
        2400,
        300,
        36500,
        1,
        0.13150684931507001,
    ],
    [
        2400,
        300,
        36500,
        2,
        0.13149964346031001,
    ],
    [
        2400,
        300,
        36500,
        7,
        0.13146362010870999,
    ],
    [
        2400,
        300,
        36500,
        7,
        14,
        0.91843145432707995,
    ],
    [
        2400,
        300,
        120,
        1,
        2,
        40.0,
    ],
    [
        2400,
        300,
        10,
        1,
        2,
        480.0,
    ],
    [
        2400,
        300,
        10,
        2,
        1.5,
        306.0,
    ],
    [
        2400,
        300,
        10,
        10,
        22.122547200000302,
    ],
    [
        10000,
        1000,
        5,
        1,
        4000.0,
    ],
    [
        10000,
        1000,
        5,
        2,
        2400.0,
    ],
    [
        10000,
        1000,
        5,
        3,
        1440.0,
    ],
    [
        10000,
        1000,
        5,
        4,
        864.0,
    ],
    [
        10000,
        1000,
        5,
        5,
        296.0,
    ],
    [
        -2400,
        300,
        36500,
        1,
        '#NUM!',
    ],
    [
        'ABC',
        300,
        36500,
        1,
        '#VALUE!',
    ],
];