16:16:07 Create new PHPExcel object<br />16:16:07 Create styles array<br />16:16:07 Add data (begin)<br />16:16:08 Add data (end), time: 0.39 s<br />16:16:08 Write to Excel2007 format<br />16:16:08 File written to 40duplicateStyle.xlsx<br />16:16:08 Peak memory usage: 8 MB<br />16:16:08 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />