23:51:36 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0473 seconds
23:51:36 Current memory usage: 2 MB
23:51:36 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0060 seconds
23:51:36 Current memory usage: 2 MB
23:51:36 Write to Excel2007 format
23:51:36 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0316 seconds
23:51:36 Current memory usage: 2 MB
23:51:36 Peak memory usage: 2 MB
23:51:36 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples