08:21:36 Create new PHPExcel object<br />08:21:36 Create styles array<br />08:21:36 Add data (begin)<br />08:21:36 Add data (end), time: 0.32 s<br />08:21:36 Write to Excel2007 format<br />08:21:36 File written to 40duplicateStyle.xlsx<br />08:21:36 Peak memory usage: 10 MB<br />08:21:36 Done writing file<br />File has been created in /var/www/html/lcyj_sub/ylst/laravel/vendor/phpoffice/phpexcel/Examples<br />