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