19:43:55 Create new PHPExcel object<br />19:43:55 Set document properties<br />19:43:55 Add some data<br />19:43:55 Rename worksheet<br />19:43:55 Write to Excel2007 format<br />19:43:55 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0083 seconds<br />19:43:55 Current memory usage: 1.5 MB<br />19:43:55 Write to Excel5 format<br />19:43:55 File written to 01simple.xls<br />Call time to write Workbook was 0.0030 seconds<br />19:43:55 Current memory usage: 2 MB<br />19:43:55 Peak memory usage: 2 MB<br />19:43:55 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />