06:39:06 Load from OOCalc file
Call time to read Workbook was 0.2103 seconds
06:39:07 Current memory usage: 1.5 MB
06:39:07 Write to Excel2007 format
06:39:07 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
06:39:07 Peak memory usage: 2 MB
06:39:07 Done writing file