19:18:30 Create new PHPExcel object<br />19:18:30 Create styles array<br />19:18:30 Add data (begin)<br />19:18:31 Add data (end), time: 0.47 s<br />19:18:31 Write to Excel2007 format<br />19:18:31 File written to 40duplicateStyle.xlsx<br />19:18:31 Peak memory usage: 6 MB<br />19:18:31 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />