07:51:32 Load from OOCalc file Call time to read Workbook was 0.0494 seconds 07:51:32 Current memory usage: 1.5 MB 07:51:32 Write to Excel2007 format 07:51:32 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 07:51:32 Peak memory usage: 1.75 MB 07:51:32 Done writing file