01:14:54 Create new PHPExcel object
01:14:54 Set document properties
01:14:54 Add some data
01:14:54 Rename worksheet
01:14:54 Write to Excel2007 format
01:14:54 File written to 01simple.xlsx
Call time to write Workbook was 0.0074 seconds
01:14:54 Current memory usage: 1.5 MB
01:14:54 Write to Excel5 format
01:14:54 File written to 01simple.xls
Call time to write Workbook was 0.0187 seconds
01:14:54 Current memory usage: 2 MB
01:14:54 Peak memory usage: 2 MB
01:14:54 Done writing files
Files have been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples