01:48:03 Load from OOCalc file Call time to read Workbook was 0.0477 seconds 01:48:03 Current memory usage: 1.5 MB 01:48:03 Write to Excel2007 format 01:48:03 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 01:48:03 Peak memory usage: 1.75 MB 01:48:03 Done writing file