20:21:48 Create new PHPExcel object<br />20:21:48 Create styles array<br />20:21:48 Add data (begin)<br />20:21:50 Add data (end), time: 1.57 s<br />20:21:50 Write to Excel2007 format<br />20:21:50 File written to 40duplicateStyle.xlsx<br />20:21:50 Peak memory usage: 6 MB<br />20:21:50 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />