04:51:17 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.0453 seconds
04:51:17 Current memory usage: 4 MB
04:51:17 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0040 seconds
04:51:17 Current memory usage: 4 MB
04:51:17 Write to Excel2007 format
04:51:17 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.0401 seconds
04:51:17 Current memory usage: 6 MB
04:51:17 Peak memory usage: 6 MB
04:51:17 Done writing file
File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples