20:53:36 Create new PHPExcel object<br />20:53:36 Set document properties<br />20:53:36 Add some data<br />20:53:36 Rename worksheet<br />20:53:36 Write to Excel2007 format<br />20:53:36 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0084 seconds<br />20:53:36 Current memory usage: 1.5 MB<br />20:53:36 Write to Excel5 format<br />20:53:36 File written to 01simple.xls<br />Call time to write Workbook was 0.1561 seconds<br />20:53:36 Current memory usage: 2 MB<br />20:53:36 Peak memory usage: 2 MB<br />20:53:36 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />