03:54:50 Load from OOCalc file Call time to read Workbook was 0.0477 seconds 03:54:50 Current memory usage: 1.5 MB 03:54:50 Write to Excel2007 format 03:54:50 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 03:54:50 Peak memory usage: 1.75 MB 03:54:50 Done writing file