19:43:55 Create new PHPExcel object
19:43:55 Set document properties
19:43:55 Add some data
19:43:55 Rename worksheet
19:43:55 Write to Excel2007 format
19:43:55 File written to 01simple.xlsx
Call time to write Workbook was 0.0083 seconds
19:43:55 Current memory usage: 1.5 MB
19:43:55 Write to Excel5 format
19:43:55 File written to 01simple.xls
Call time to write Workbook was 0.0030 seconds
19:43:55 Current memory usage: 2 MB
19:43:55 Peak memory usage: 2 MB
19:43:55 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples