18:37:09 Create new PHPExcel object<br />18:37:09 Create styles array<br />18:37:09 Add data (begin)<br />18:37:10 Add data (end), time: 0.62 s<br />18:37:10 Write to Excel2007 format<br />18:37:10 File written to 40duplicateStyle.xlsx<br />18:37:10 Peak memory usage: 4 MB<br />18:37:10 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />