How to change the encoding in phpspreadsheet when writing a file?

Question

PHP

When saving a csv file in the standard encoding, krakozyabry is obtained instead of Russian letters.

Answer 1

Like this for csv, but how do you know for pdf? I would be grateful if you could advise! Here is my question How can I set PDF encoding to UTF-8 in PhpSpreadsheet's library?

$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();

$writerCSV = new Csv($spreadsheet);

$writerCSV->setDelimiter(';');
$writerCSV->setEnclosure('');
$writerCSV->setLineEnding("\r\n");
$writerCSV->setSheetIndex(0);
$writerCSV->setUseBOM(true);
$writerCSV->save($file.'.csv');