06largescale-with-cellcaching.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.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);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);
define('EOL', PHP_SAPI == 'cli' ? PHP_EOL : '<br />');
date_default_timezone_set('Europe/London');

/** Include PHPExcel */
require_once dirname(__FILE__) . '/../Classes/PHPExcel.php';
$cacheMethod = PHPExcel_CachedObjectStorageFactory::cache_in_memory_gzip;
if (!PHPExcel_Settings::setCacheStorageMethod($cacheMethod)) {
  die($cacheMethod . " caching method is not available" . EOL);
}
echo date('H:i:s'), " Enable Cell Caching using ", $cacheMethod, " method", EOL;

// Create new PHPExcel object
echo date('H:i:s'), " Create new PHPExcel object", EOL;
$objPHPExcel = new PHPExcel();

// Set document properties
echo date('H:i:s'), " Set properties", EOL;
$objPHPExcel
  ->getProperties()
  ->setCreator("Maarten Balliauw")
  ->setLastModifiedBy("Maarten Balliauw")
  ->setTitle("Office 2007 XLSX Test Document")
  ->setSubject("Office 2007 XLSX Test Document")
  ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
  ->setKeywords("office 2007 openxml php")
  ->setCategory("Test result file");

// Create a first sheet
echo date('H:i:s'), " Add data", EOL;
$objPHPExcel
  ->setActiveSheetIndex(0);
$objPHPExcel
  ->getActiveSheet()
  ->setCellValue('A1', "Firstname");
$objPHPExcel
  ->getActiveSheet()
  ->setCellValue('B1', "Lastname");
$objPHPExcel
  ->getActiveSheet()
  ->setCellValue('C1', "Phone");
$objPHPExcel
  ->getActiveSheet()
  ->setCellValue('D1', "Fax");
$objPHPExcel
  ->getActiveSheet()
  ->setCellValue('E1', "Is Client ?");

// Hide "Phone" and "fax" column
echo date('H:i:s'), " Hide 'Phone' and 'fax' columns", EOL;
$objPHPExcel
  ->getActiveSheet()
  ->getColumnDimension('C')
  ->setVisible(false);
$objPHPExcel
  ->getActiveSheet()
  ->getColumnDimension('D')
  ->setVisible(false);

// Set outline levels
echo date('H:i:s'), " Set outline levels", EOL;
$objPHPExcel
  ->getActiveSheet()
  ->getColumnDimension('E')
  ->setOutlineLevel(1)
  ->setVisible(false)
  ->setCollapsed(true);

// Freeze panes
echo date('H:i:s'), " Freeze panes", EOL;
$objPHPExcel
  ->getActiveSheet()
  ->freezePane('A2');

// Rows to repeat at top
echo date('H:i:s'), " Rows to repeat at top", EOL;
$objPHPExcel
  ->getActiveSheet()
  ->getPageSetup()
  ->setRowsToRepeatAtTopByStartAndEnd(1, 1);

// Add data
for ($i = 2; $i <= 5000; $i++) {
  $objPHPExcel
    ->getActiveSheet()
    ->setCellValue('A' . $i, "FName {$i}")
    ->setCellValue('B' . $i, "LName {$i}")
    ->setCellValue('C' . $i, "PhoneNo {$i}")
    ->setCellValue('D' . $i, "FaxNo {$i}")
    ->setCellValue('E' . $i, true);
}

// Set active sheet index to the first sheet, so Excel opens this as the first sheet
$objPHPExcel
  ->setActiveSheetIndex(0);

// Save Excel 2007 file
echo date('H:i:s'), " Write to Excel2007 format", EOL;
$callStartTime = microtime(true);
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter
  ->save(str_replace('.php', '.xlsx', __FILE__));
$callEndTime = microtime(true);
$callTime = $callEndTime - $callStartTime;
echo date('H:i:s'), " File written to ", str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)), EOL;
echo 'Call time to write Workbook was ', sprintf('%.4f', $callTime), " seconds", EOL;

// Echo memory usage
echo date('H:i:s'), ' Current memory usage: ', memory_get_usage(true) / 1024 / 1024, " MB", EOL;

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

// Echo done
echo date('H:i:s'), " Done writing file", EOL;
echo 'File has been created in ', getcwd(), EOL;

Constants

Name	Description
EOL