22:22:18 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0413 seconds
22:22:18 Current memory usage: 4 MB
22:22:18 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0037 seconds
22:22:18 Current memory usage: 4 MB
22:22:18 Write to Excel2007 format
22:22:18 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0224 seconds
22:22:18 Current memory usage: 6 MB
22:22:18 Peak memory usage: 6 MB
22:22:18 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples