18:21:06 Create new PHPExcel object<br />18:21:06 Create styles array<br />18:21:06 Add data (begin)<br />18:21:07 Add data (end), time: 0.38 s<br />18:21:07 Write to Excel2007 format<br />18:21:07 File written to 40duplicateStyle.xlsx<br />18:21:07 Peak memory usage: 10 MB<br />18:21:07 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />