01:00:45 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0547 seconds
01:00:45 Current memory usage: 4 MB
01:00:45 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0042 seconds
01:00:45 Current memory usage: 4 MB
01:00:45 Write to Excel2007 format
01:00:45 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0219 seconds
01:00:45 Current memory usage: 6 MB
01:00:45 Peak memory usage: 6 MB
01:00:45 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples