14:09:51 Create new PHPExcel object<br />14:09:51 Set document properties<br />14:09:51 Add some data<br />14:09:51 Rename worksheet<br />14:09:51 Write to Excel2007 format<br />14:09:51 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0088 seconds<br />14:09:51 Current memory usage: 6.25 MB<br />14:09:51 Write to Excel5 format<br />14:09:51 File written to 01simple.xls<br />Call time to write Workbook was 0.0251 seconds<br />14:09:51 Current memory usage: 8.5 MB<br />14:09:51 Peak memory usage: 8.5 MB<br />14:09:51 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />