06:26:57 Create new PHPExcel object
06:26:57 Set document properties
06:26:57 Add some data
06:26:57 Rename worksheet
06:26:57 Write to Excel2007 format
06:26:57 File written to 01simple.xlsx
Call time to write Workbook was 0.0084 seconds
06:26:57 Current memory usage: 1.5 MB
06:26:57 Write to Excel5 format
06:26:57 File written to 01simple.xls
Call time to write Workbook was 0.0072 seconds
06:26:57 Current memory usage: 2 MB
06:26:57 Peak memory usage: 2 MB
06:26:57 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples