02:22:48 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0404 seconds
02:22:48 Current memory usage: 2 MB
02:22:48 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0037 seconds
02:22:48 Current memory usage: 2 MB
02:22:48 Write to Excel2007 format
02:22:48 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0218 seconds
02:22:48 Current memory usage: 2 MB
02:22:48 Peak memory usage: 2 MB
02:22:48 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples