13:22:34 Load from Excel2007 file
Call time to read Workbook was 0.0711 seconds
13:22:34 Current memory usage: 4 MB
13:22:34 Write to Excel2007 format
13:22:34 File written to 07reader.xlsx
Call time to write Workbook was 0.0474 seconds
13:22:34 Current memory usage: 6 MB
13:22:34 Peak memory usage: 6 MB
13:22:34 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples