Worksheet::setInputEncoding

<?php
require_once 'Spreadsheet/Excel/Writer.php';
$workbook = new Spreadsheet_Excel_Writer('test.xls');
$workbook->setVersion(8);
$worksheet =& $workbook->addWorksheet('International worksheet');

$russian = "\xD0\xBF\xD0\xBE\xD0\xBA\xD0\xB0";
$greek = "\342\345\353\355\341";

$worksheet->setInputEncoding('ISO-8859-7');
$worksheet->write(0, 0, $greek);
$worksheet->setInputEncoding('utf-8');
$worksheet->write(1, 0, $russian);
$workbook->close();
?>