OOCalcReaderPCLZip.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Examples/OOCalcReaderPCLZip.php

<?php

/**
 * PHPExcel
 *
 * Copyright (C) 2006 - 2014 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    ##VERSION##, ##DATE##
 */

/** Error reporting */
error_reporting(E_ALL);
date_default_timezone_set('Europe/London');

/** PHPExcel_IOFactory */
require_once dirname(__FILE__) . '/../Classes/PHPExcel/IOFactory.php';

// Use PCLZip rather than ZipArchive to read the Excel2007 OfficeOpenXML file
PHPExcel_Settings::setZipClass(PHPExcel_Settings::PCLZIP);
echo date('H:i:s'), " Load from OOCalc file", PHP_EOL;
$callStartTime = microtime(true);
$objReader = PHPExcel_IOFactory::createReader('OOCalc');
$objPHPExcel = $objReader
  ->load("OOCalcTest.ods");
$callEndTime = microtime(true);
$callTime = $callEndTime - $callStartTime;
echo 'Call time to read Workbook was ', sprintf('%.4f', $callTime), " seconds", PHP_EOL;

// Echo memory usage
echo date('H:i:s'), ' Current memory usage: ', memory_get_usage(true) / 1024 / 1024, " MB", PHP_EOL;
echo date('H:i:s'), " Write to Excel2007 format", PHP_EOL;
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter
  ->save(str_replace('.php', '.xlsx', __FILE__));
echo date('H:i:s'), " File written to ", str_replace('.php', '.xlsx', __FILE__), PHP_EOL;

// Echo memory peak usage
echo date('H:i:s'), " Peak memory usage: ", memory_get_peak_usage(true) / 1024 / 1024, " MB", PHP_EOL;

// Echo done
echo date('H:i:s'), " Done writing file", PHP_EOL;