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								<?php
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								/** Error reporting */
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								error_reporting(E_ALL);
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								ini_set('display_errors', TRUE);
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								ini_set('display_startup_errors', TRUE);
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								date_default_timezone_set('Europe/London');
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								define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
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								date_default_timezone_set('Europe/London');
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								/** Include PHPExcel */
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								require_once dirname(__FILE__) . '/../Classes/PHPExcel.php';
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								echo date('H:i:s') , " Create new PHPExcel object" , EOL;
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								$objPHPExcel = new PHPExcel();
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								$worksheet = $objPHPExcel->getActiveSheet();
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								echo date('H:i:s') , " Create styles array" , EOL;
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								$styles = array();
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								for ($i = 0; $i < 10; $i++) {
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								    $style = new PHPExcel_Style();
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								    $style->getFont()->setSize($i + 4);
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								    $styles[] = $style;
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								}
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								echo date('H:i:s') , " Add data (begin)" , EOL;
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								$t = microtime(true);
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								for ($col = 0; $col < 50; $col++) {
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								    for ($row = 0; $row < 100; $row++) {
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								        $str = ($row + $col);
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								        $style = $styles[$row % 10];
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								        $coord = PHPExcel_Cell::stringFromColumnIndex($col) . ($row + 1);
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								        $worksheet->setCellValue($coord, $str);
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								        $worksheet->duplicateStyle($style, $coord);
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								    }
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								}
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								$d = microtime(true) - $t;
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								echo date('H:i:s') , " Add data (end), time: " . round($d, 2) . " s", EOL;
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								echo date('H:i:s') , " Write to Excel2007 format" , EOL;
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								$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
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								$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
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								echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , EOL;
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								echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
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								echo date('H:i:s') , " Done writing file" , EOL;
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								echo 'File has been created in ' , getcwd() , EOL;
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