09:10:02 Load from OOCalc file Call time to read Workbook was 0.0474 seconds 09:10:02 Current memory usage: 1.5 MB 09:10:02 Write to Excel2007 format 09:10:02 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 09:10:02 Peak memory usage: 1.75 MB 09:10:02 Done writing file