23:09:08 Create new PHPExcel object<br />23:09:08 Create styles array<br />23:09:08 Add data (begin)<br />23:09:09 Add data (end), time: 1.2 s<br />23:09:09 Write to Excel2007 format<br />23:09:09 File written to 40duplicateStyle.xlsx<br />23:09:09 Peak memory usage: 6 MB<br />23:09:09 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />