01:36:17 Create new PHPExcel object
01:36:17 Set document properties
01:36:17 Add some data
01:36:17 Rename worksheet
01:36:17 Write to Excel2007 format
01:36:17 File written to 01simple.xlsx
Call time to write Workbook was 0.0078 seconds
01:36:17 Current memory usage: 1.5 MB
01:36:17 Write to Excel5 format
01:36:17 File written to 01simple.xls
Call time to write Workbook was 0.0020 seconds
01:36:17 Current memory usage: 2 MB
01:36:17 Peak memory usage: 2 MB
01:36:17 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples