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

<?php

// rate, pmt, pv, fv, type, result

return [
    [
        59.673865674295001,
        0.01,
        -100,
        -1000,
        10000,
        1,
    ],
    [
        60.082122853762002,
        0.01,
        -100,
        -1000,
        10000,
    ],
    [
        -9.5785940398132006,
        0.01,
        -100,
        -1000,
    ],
    [
        54.787577259999999,
        0.0033333333329999999,
        -1000,
        50000,
    ],
    [
        11.90373729,
        0.014999999999999999,
        -1200,
        9000,
        5000,
        1,
    ],
    [
        '#NUM!',
        0.014999999999999999,
        -1200,
        9000,
        5000,
        2,
    ],
    [
        '#NUM!',
        0.014999999999999999,
        0.0,
        0.0,
        5000,
        1,
    ],
    [
        '#NUM!',
        0.0,
        0.0,
        -500,
        5000,
        1,
    ],
    [
        -2.0,
        0.0,
        -50,
        -250,
        150,
        1,
    ],
];