20:53:36 Create new PHPExcel object
20:53:36 Set document properties
20:53:36 Add some data
20:53:36 Rename worksheet
20:53:36 Write to Excel2007 format
20:53:36 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
20:53:36 Current memory usage: 1.5 MB
20:53:36 Write to Excel5 format
20:53:36 File written to 01simple.xls
Call time to write Workbook was 0.1561 seconds
20:53:36 Current memory usage: 2 MB
20:53:36 Peak memory usage: 2 MB
20:53:36 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples