08:57:06 Create new PHPExcel object
08:57:06 Set document properties
08:57:06 Add some data
08:57:06 Rename worksheet
08:57:06 Write to Excel2007 format
08:57:06 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
08:57:06 Current memory usage: 1.5 MB
08:57:06 Write to Excel5 format
08:57:06 File written to 01simple.xls
Call time to write Workbook was 0.0026 seconds
08:57:06 Current memory usage: 2 MB
08:57:06 Peak memory usage: 2 MB
08:57:06 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples