21:14:50 Create new PHPExcel object<br />21:14:50 Create styles array<br />21:14:50 Add data (begin)<br />21:14:51 Add data (end), time: 0.41 s<br />21:14:51 Write to Excel2007 format<br />21:14:51 File written to 40duplicateStyle.xlsx<br />21:14:51 Peak memory usage: 10 MB<br />21:14:51 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />