14:00:44 Load from OOCalc file Call time to read Workbook was 0.0494 seconds 14:00:44 Current memory usage: 1.5 MB 14:00:44 Write to Excel2007 format 14:00:44 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 14:00:44 Peak memory usage: 1.75 MB 14:00:44 Done writing file