<?php require __DIR__ . '/Header.php'; // Use PCLZip rather than ZipArchive to read the Xlsx OfficeOpenXML file \PhpOffice\PhpSpreadsheet\Settings::setZipClass(\PhpOffice\PhpSpreadsheet\Settings::PCLZIP); $filename = __DIR__ . '/templates/OOCalcTest.ods'; $callStartTime = microtime(true); $spreadsheet = \PhpOffice\PhpSpreadsheet\IOFactory::load($filename); $helper->logRead('Ods', $filename, $callStartTime); // Save $helper->write($spreadsheet, __FILE__);