21:03:14 Load from OOCalc file
Call time to read Workbook was 0.0412 seconds
21:03:14 Current memory usage: 2 MB
21:03:14 Write to Excel2007 format
21:03:14 File written to /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
21:03:14 Peak memory usage: 2 MB
21:03:14 Done writing file