13:47:44 Create new PHPExcel object
13:47:44 Set document properties
13:47:44 Add some data
13:47:44 Rename worksheet
13:47:44 Write to Excel2007 format
13:47:44 File written to 01simple.xlsx
Call time to write Workbook was 0.0050 seconds
13:47:44 Current memory usage: 1.5 MB
13:47:44 Write to Excel5 format
13:47:44 File written to 01simple.xls
Call time to write Workbook was 0.0018 seconds
13:47:44 Current memory usage: 2 MB
13:47:44 Peak memory usage: 2 MB
13:47:44 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples