PHP Decode

<?php

declare(strict_types=1);

return [
    [
        "=IF('2020'!\$B1=\"\",\"-\",(('2020'!\$B1/'2019'!\$B1)-1))",
        2,
        2,
        "=IF('2020'!\$B3=\"\",\"-\",(('2020'!\$B3/'2019'!\$B3)-1))",
    ],
    [
        "=IF('2020'!B$1=\"\",\"-\",(('2020'!B$1/'2019'!B$1)-1))",
        2,
        2,
        "=IF('2020'!D\$1=\"\",\"-\",(('2020'!D\$1/'2019'!D\$1)-1))",
    ],
    [
        "=IF('2020'!Z$1=\"\",\"-\",(('2020'!Z$1/'2019'!Z$1)-1))",
        2,
        2,
        "=IF('2020'!AB\$1=\"\",\"-\",(('2020'!AB\$1/'2019'!AB\$1)-1))",
    ],
    [
        '=SUM(A1:C3)',
        2,
        2,
        '=SUM(C3:E5)',
    ],
    [
        '=SUM($A1:C3)',
        2,
        2,
        '=SUM($A3:E5)',
    ],
    [
        '=SUM($A1:$A3)',
        2,
        2,
        '=SUM($A3:$A5)',
    ],
    [
        '=SUM(A$1:C3)',
        2,
        2,
        '=SUM(C$1:E5)',
    ],
    [
        '=SUM(A$1:C$3)',
        2,
        2,
        '=SUM(C$1:E$3)',
    ],
    [
        '=SUM(A:C)',
        2,
        2,
        '=SUM(C:E)',
    ],
    [
        '=SUM($A:C)',
        2,
        2,
        '=SUM($A:E)',
    ],
    [
        '=SUM(A:$E)',
        2,
        2,
        '=SUM(C:$E)',
    ],
    [
        '=SUM(1:3)',
        2,
        2,
        '=SUM(3:5)',
    ],
    [
        '=SUM($1:3)',
        2,
        2,
        '=SUM($1:5)',
    ],
    [
        '=SUM(1:$5)',
        2,
        2,
        '=SUM(3:$5)',
    ],
];
 ?>