00:23:02 Create new PHPExcel object
00:23:02 Set document properties
00:23:02 Add some data
00:23:02 Rename worksheet
00:23:02 Write to Excel2007 format
00:23:02 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
00:23:02 Current memory usage: 1.5 MB
00:23:02 Write to Excel5 format
00:23:02 File written to 01simple.xls
Call time to write Workbook was 0.0018 seconds
00:23:02 Current memory usage: 2 MB
00:23:02 Peak memory usage: 2 MB
00:23:02 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples