PhpSpreadsheet/tests/data/Calculation/Statistical/MAX.php

<?php

return [
    [
        27,
        10, 7, 9, 27, 2,
    ],
    [
        10,
        10, 7, 9, '27', 2,
    ],
    [
        0,
        null, 'STRING', true, '', '27',
    ],
];