19:31:12 Create new PHPExcel object<br />19:31:12 Create styles array<br />19:31:12 Add data (begin)<br />19:31:12 Add data (end), time: 0.73 s<br />19:31:12 Write to Excel2007 format<br />19:31:13 File written to 40duplicateStyle.xlsx<br />19:31:13 Peak memory usage: 9.5 MB<br />19:31:13 Done writing file<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples<br />