19:29:33 Create new PHPExcel object<br />19:29:33 Create styles array<br />19:29:33 Add data (begin)<br />19:29:33 Add data (end), time: 0.59 s<br />19:29:33 Write to Excel2007 format<br />19:29:34 File written to 40duplicateStyle.xlsx<br />19:29:34 Peak memory usage: 6 MB<br />19:29:34 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />