06:43:51 Create new PHPExcel object
06:43:51 Set document properties
06:43:51 Add some data
06:43:51 Rename worksheet
06:43:51 Write to Excel2007 format
06:43:51 File written to 01simple.xlsx
Call time to write Workbook was 0.0085 seconds
06:43:51 Current memory usage: 1.5 MB
06:43:51 Write to Excel5 format
06:43:51 File written to 01simple.xls
Call time to write Workbook was 0.0192 seconds
06:43:51 Current memory usage: 2 MB
06:43:51 Peak memory usage: 2 MB
06:43:51 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples