14:02:10 Load from OOCalc file
Call time to read Workbook was 0.0634 seconds
14:02:10 Current memory usage: 4.25 MB
14:02:10 Write to Excel2007 format
14:02:10 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
14:02:10 Peak memory usage: 6.5 MB
14:02:10 Done writing file