PhpSpreadsheet/tests/data/Calculation/TextData/REPLACE.php

<?php

return [
    [
        'QWERTYUIOP',
        3,
        3,
        'DFG',
        'QWDFGYUIOP',
    ],
    [
        'QWERTYUIOP',
        5,
        3,
        'DFG',
        'QWERDFGIOP',
    ],
    [
        'QWERTYUIOP',
        3,
        0,
        'DFG',
        'QWDFGERTYUIOP',
    ],
    [
        'QWERTYUIOP',
        5,
        0,
        'DFG',
        'QWERDFGTYUIOP',
    ],
];