12:46:52 Load from OOCalc file
Call time to read Workbook was 0.0473 seconds
12:46:53 Current memory usage: 1.5 MB
12:46:53 Write to Excel2007 format
12:46:53 File written to /var/www/yii2/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx
12:46:53 Peak memory usage: 1.75 MB
12:46:53 Done writing file