02:20:46 Create new PHPExcel object<br />02:20:46 Set document properties<br />02:20:46 Add some data<br />02:20:46 Rename worksheet<br />02:20:46 Write to Excel2007 format<br />02:20:46 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0087 seconds<br />02:20:46 Current memory usage: 1.5 MB<br />02:20:46 Write to Excel5 format<br />02:20:46 File written to 01simple.xls<br />Call time to write Workbook was 0.2004 seconds<br />02:20:46 Current memory usage: 2 MB<br />02:20:46 Peak memory usage: 2 MB<br />02:20:46 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />