08:30:34 Create new PHPExcel object
08:30:34 Set document properties
08:30:34 Add some data
08:30:34 Rename worksheet
08:30:34 Write to Excel2007 format
08:30:34 File written to 01simple.xlsx
Call time to write Workbook was 0.0085 seconds
08:30:34 Current memory usage: 1.5 MB
08:30:34 Write to Excel5 format
08:30:34 File written to 01simple.xls
Call time to write Workbook was 0.0046 seconds
08:30:34 Current memory usage: 2 MB
08:30:34 Peak memory usage: 2 MB
08:30:34 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples