<?php use PhpOffice\PhpSpreadsheet\IOFactory; require __DIR__ . '/../Header.php'; $filename = __DIR__ . '/../templates/OOCalcTest.ods'; $callStartTime = microtime(true); $spreadsheet = IOFactory::load($filename); $helper->logRead('Ods', $filename, $callStartTime); // Save $helper->write($spreadsheet, __FILE__);