01:48:03 Load from OOCalc file
Call time to read Workbook was 0.0477 seconds
01:48:03 Current memory usage: 1.5 MB
01:48:03 Write to Excel2007 format
01:48:03 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
01:48:03 Peak memory usage: 1.75 MB
01:48:03 Done writing file