Repeat rows on each printed page

Mark one or more rows as title rows that are repeated at the top of every printed page.

Function Prototype

repeatRows(string $rangeA1): self

string $rangeA1

A1-style row range.

A single row (e.g. "1") or a closed interval (e.g. "1:3"), 1-based.

An invalid format throws an exception (error code 220).

Example

$config = [
    'path' => './tests'
];

$fileObject = new \Vtiful\Kernel\Excel($config);
$fileObject = $fileObject->fileName('tutorial.xlsx');

$filePath = $fileObject->header(['name', 'age'])
    ->data([
        ['viest', 21],
        ['wjx',   21]
    ])
    ->repeatRows('1:1') // Repeat row 1 on every printed page
    ->output();