02:36:48 Load from OOCalc file
Call time to read Workbook was 0.4698 seconds
02:36:48 Current memory usage: 2 MB
02:36:48 Write to Excel2007 format
02:36:49 File written to E:\item\doctor\vendor\phpoffice\phpexcel\Examples\OOCalcReader.xlsx
02:36:49 Peak memory usage: 4 MB
02:36:49 Done writing file