18:45:55 Create new PHPExcel object<br />18:45:55 Create styles array<br />18:45:55 Add data (begin)<br />18:45:56 Add data (end), time: 0.24 s<br />18:45:56 Write to Excel2007 format<br />18:45:56 File written to 40duplicateStyle.xlsx<br />18:45:56 Peak memory usage: 6 MB<br />18:45:56 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />