06:50:54 Load from OOCalc file
Call time to read Workbook was 0.0452 seconds
06:50:54 Current memory usage: 1.5 MB
06:50:54 Write to Excel2007 format
06:50:54 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
06:50:54 Peak memory usage: 1.75 MB
06:50:54 Done writing file