07:39:07 Create new PHPExcel object
07:39:07 Set document properties
07:39:07 Add some data
07:39:07 Rename worksheet
07:39:07 Write to Excel2007 format
07:39:08 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
07:39:08 Current memory usage: 1.5 MB
07:39:08 Write to Excel5 format
07:39:08 File written to 01simple.xls
Call time to write Workbook was 0.1329 seconds
07:39:08 Current memory usage: 2 MB
07:39:08 Peak memory usage: 2 MB
07:39:08 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples