<?php use PhpOffice\PhpSpreadsheet\IOFactory; require __DIR__ . '/../Header.php'; $inputFileName = __DIR__ . '/sampleData/non-existing-file.xls'; $helper->log('Loading file ' . pathinfo($inputFileName, PATHINFO_BASENAME) . ' using IOFactory to identify the format'); try { $spreadsheet = IOFactory::load($inputFileName); } catch (InvalidArgumentException $e) { $helper->log('Error loading file "' . pathinfo($inputFileName, PATHINFO_BASENAME) . '": ' . $e->getMessage()); }