filename = "test.xls"; $data = array( array(1,2,3), array("asdf","jkl","semi"), array("1273623874628374634876","=asdf","10-10"), ); $tsv->initialize(); foreach($data as $row) { $tsv->addRow($row); } $tsv->finalize(); $exportedData = $tsv->getString(); print $exportedData;