'string', 'month'=>'string', 'amount'=>'money', 'first_event'=>'datetime', 'second_event'=>'date', ); $data1 = array( array('2003','1','-50.5','2010-01-01 23:00:00','2012-12-31 23:00:00'), array('2003','=B2', '23.5','2010-01-01 00:00:00','2012-12-31 00:00:00'), ); $data2 = array( array('2003','01','343.12'), array('2003','02','345.12'), ); $writer = new XLSXWriter(); $keywords = array('some','interesting','keywords'); $writer->setTitle('Some Title'); $writer->setSubject('Some Subject'); $writer->setAuthor('Some Author'); $writer->setCompany('Some Company'); $writer->setKeywords($keywords); $writer->setDescription('Some interesting description'); $writer->writeSheet($data1,'Sheet1',$header); $writer->writeSheet($data2,'Sheet2'); $writer->writeToFile('test.xlsx');