20:38:26 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0413 seconds
20:38:26 Current memory usage: 2 MB
20:38:26 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0037 seconds
20:38:26 Current memory usage: 2 MB
20:38:26 Write to Excel2007 format
20:38:26 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0221 seconds
20:38:26 Current memory usage: 2 MB
20:38:26 Peak memory usage: 2 MB
20:38:26 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples