09:24:06 Create new PHPExcel object
09:24:06 Set document properties
09:24:06 Add some data
09:24:06 Rename worksheet
09:24:06 Write to Excel2007 format
09:24:06 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
09:24:06 Current memory usage: 1.5 MB
09:24:06 Write to Excel5 format
09:24:06 File written to 01simple.xls
Call time to write Workbook was 0.0273 seconds
09:24:06 Current memory usage: 2 MB
09:24:06 Peak memory usage: 2 MB
09:24:06 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples