07:37:20 Create new PHPExcel object
07:37:20 Set document properties
07:37:20 Add some data
07:37:20 Rename worksheet
07:37:20 Write to Excel2007 format
07:37:20 File written to 01simple.xlsx
Call time to write Workbook was 0.0085 seconds
07:37:20 Current memory usage: 1.5 MB
07:37:20 Write to Excel5 format
07:37:20 File written to 01simple.xls
Call time to write Workbook was 0.0214 seconds
07:37:20 Current memory usage: 2 MB
07:37:20 Peak memory usage: 2 MB
07:37:20 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples