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vendor/phpoffice/phpspreadsheet/samples/Basic/20_Read_Xls.php

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