09:31:04 Load from OOCalc file Call time to read Workbook was 0.0389 seconds 09:31:04 Current memory usage: 1.5 MB 09:31:04 Write to Excel2007 format 09:31:04 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 09:31:04 Peak memory usage: 1.75 MB 09:31:04 Done writing file