23:11:17 Create new PHPExcel object
23:11:17 Set document properties
23:11:17 Add some data
23:11:17 Rename worksheet
23:11:17 Write to Excel2007 format
23:11:17 File written to 01simple.xlsx
Call time to write Workbook was 0.0083 seconds
23:11:17 Current memory usage: 1.5 MB
23:11:17 Write to Excel5 format
23:11:17 File written to 01simple.xls
Call time to write Workbook was 0.0028 seconds
23:11:17 Current memory usage: 2 MB
23:11:17 Peak memory usage: 2 MB
23:11:17 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples