06:45:36 Create new PHPExcel object
06:45:36 Set document properties
06:45:36 Add some data
06:45:36 Rename worksheet
06:45:36 Write to Excel2007 format
06:45:36 File written to 01simple.xlsx
Call time to write Workbook was 0.0020 seconds
06:45:36 Current memory usage: 1.5 MB
06:45:36 Write to Excel5 format
06:45:36 File written to 01simple.xls
Call time to write Workbook was 0.0018 seconds
06:45:36 Current memory usage: 2 MB
06:45:36 Peak memory usage: 2 MB
06:45:36 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples