18:33:20 Load from Excel2007 file
Call time to read Workbook was 0.0177 seconds
18:33:20 Current memory usage: 2 MB
18:33:20 Write to Excel2007 format
18:33:20 File written to 07reader.xlsx
Call time to write Workbook was 0.0073 seconds
18:33:20 Current memory usage: 2 MB
18:33:20 Peak memory usage: 2 MB
18:33:20 Done writing file
File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples