19:20:15 Create new PHPExcel object<br />19:20:15 Set document properties<br />19:20:15 Add some data<br />19:20:15 Rename worksheet<br />19:20:15 Write to Excel2007 format<br />19:20:15 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0021 seconds<br />19:20:15 Current memory usage: 1.75 MB<br />19:20:15 Write to Excel5 format<br />19:20:15 File written to 01simple.xls<br />Call time to write Workbook was 0.0178 seconds<br />19:20:15 Current memory usage: 2.25 MB<br />19:20:15 Peak memory usage: 2.25 MB<br />19:20:15 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />