22:02:53 Create new PHPExcel object<br />22:02:53 Set document properties<br />22:02:53 Add some data<br />22:02:53 Rename worksheet<br />22:02:53 Write to Excel2007 format<br />22:02:53 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0076 seconds<br />22:02:53 Current memory usage: 1.5 MB<br />22:02:53 Write to Excel5 format<br />22:02:53 File written to 01simple.xls<br />Call time to write Workbook was 0.0018 seconds<br />22:02:53 Current memory usage: 2 MB<br />22:02:53 Peak memory usage: 2 MB<br />22:02:53 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />