04:07:38 Load from OOCalc file
Call time to read Workbook was 0.4087 seconds
04:07:38 Current memory usage: 2 MB
04:07:38 Write to Excel2007 format
04:07:38 File written to E:\item\doctor\vendor\phpoffice\phpexcel\Examples\OOCalcReader.xlsx
04:07:38 Peak memory usage: 4 MB
04:07:38 Done writing file