15:01:29 Create new PHPExcel object<br />15:01:29 Set document properties<br />15:01:29 Add some data<br />15:01:29 Rename worksheet<br />15:01:29 Write to Excel2007 format<br />15:01:29 File written to 01simple.xlsx<br />Call time to write Workbook was 0.0025 seconds<br />15:01:29 Current memory usage: 1.5 MB<br />15:01:29 Write to Excel5 format<br />15:01:30 File written to 01simple.xls<br />Call time to write Workbook was 0.1140 seconds<br />15:01:30 Current memory usage: 2 MB<br />15:01:30 Peak memory usage: 2 MB<br />15:01:30 Done writing files<br />Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />