<?php
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use PhpOffice\PhpSpreadsheet\IOFactory;
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require __DIR__ . '/../Header.php';
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$spreadsheet = require __DIR__ . '/../templates/sampleSpreadsheet.php';
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// Write temporary file
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$filename = $helper->getTemporaryFilename('xls');
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$writer = IOFactory::createWriter($spreadsheet, 'Xls');
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$callStartTime = microtime(true);
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$writer->save($filename);
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$helper->logWrite($writer, $filename, $callStartTime);
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// Read Xls file
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$callStartTime = microtime(true);
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$spreadsheet = IOFactory::load($filename);
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$helper->logRead('Xls', $filename, $callStartTime);
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// Save
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$helper->write($spreadsheet, __FILE__);
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