05:16:37 Create new PHPExcel object
05:16:37 Set document properties
05:16:37 Add some data
05:16:37 Rename worksheet
05:16:37 Write to Excel2007 format
05:16:37 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
05:16:37 Current memory usage: 1.5 MB
05:16:37 Write to Excel5 format
05:16:37 File written to 01simple.xls
Call time to write Workbook was 0.1277 seconds
05:16:37 Current memory usage: 2 MB
05:16:37 Peak memory usage: 2 MB
05:16:37 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples