07:51:32 Load from OOCalc file
Call time to read Workbook was 0.0494 seconds
07:51:32 Current memory usage: 1.5 MB
07:51:32 Write to Excel2007 format
07:51:32 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
07:51:32 Peak memory usage: 1.75 MB
07:51:32 Done writing file