05:56:31 Load from OOCalc file Call time to read Workbook was 0.0388 seconds 05:56:31 Current memory usage: 1.5 MB 05:56:31 Write to Excel2007 format 05:56:31 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 05:56:31 Peak memory usage: 1.75 MB 05:56:31 Done writing file