07:44:21 Load from OOCalc file Call time to read Workbook was 0.0390 seconds 07:44:21 Current memory usage: 1.5 MB 07:44:21 Write to Excel2007 format 07:44:21 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 07:44:21 Peak memory usage: 1.75 MB 07:44:21 Done writing file