04:38:55 Load from OOCalc file Call time to read Workbook was 0.0509 seconds 04:38:55 Current memory usage: 1.5 MB 04:38:55 Write to Excel2007 format 04:38:55 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 04:38:55 Peak memory usage: 2 MB 04:38:55 Done writing file