PhpSpreadsheet/Examples/34chartupdate.php

<?php

/** Error reporting */
error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);
date_default_timezone_set('Europe/London');

define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');

date_default_timezone_set('Europe/London');

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2015 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 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    ##VERSION##, ##DATE##
 */

/** PHPExcel */
require_once dirname(__FILE__) . '/../src/Bootstrap.php';

if (!file_exists("33chartcreate-bar.xlsx")) {
	exit("Please run 33chartcreate-bar.php first." . EOL);
}

echo date('H:i:s') , " Load from Excel2007 file" , EOL;
$objReader = \PHPExcel\IOFactory::createReader("Excel2007");
$objReader->setIncludeCharts(TRUE);
$objPHPExcel = $objReader->load("33chartcreate-bar.xlsx");


echo date('H:i:s') , " Update cell data values that are displayed in the chart" , EOL;
$objWorksheet = $objPHPExcel->getActiveSheet();
$objWorksheet->fromArray(
	array(
		array(50-12,   50-15,		50-21),
		array(50-56,   50-73,		50-86),
		array(50-52,   50-61,		50-69),
		array(50-30,   50-32,		50),
	),
	NULL,
	'B2'
);

// Save Excel 2007 file
echo date('H:i:s') , " Write to Excel2007 format" , EOL;
$objWriter = \PHPExcel\IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter->setIncludeCharts(TRUE);
$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , 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;