02:20:46 Create new PHPExcel object
02:20:46 Set document properties
02:20:46 Add some data
02:20:46 Rename worksheet
02:20:46 Write to Excel2007 format
02:20:46 File written to 01simple.xlsx
Call time to write Workbook was 0.0087 seconds
02:20:46 Current memory usage: 1.5 MB
02:20:46 Write to Excel5 format
02:20:46 File written to 01simple.xls
Call time to write Workbook was 0.2004 seconds
02:20:46 Current memory usage: 2 MB
02:20:46 Peak memory usage: 2 MB
02:20:46 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples