16:13:50 Create new PHPExcel object
16:13:50 Set document properties
16:13:50 Add some data
16:13:50 Rename worksheet
16:13:50 Write to Excel2007 format
16:13:50 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
16:13:50 Current memory usage: 1.5 MB
16:13:50 Write to Excel5 format
16:13:50 File written to 01simple.xls
Call time to write Workbook was 0.1395 seconds
16:13:50 Current memory usage: 2 MB
16:13:50 Peak memory usage: 2 MB
16:13:50 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples