20:39:08 Load from Excel2007 file
20:39:08 Update cell data values that are displayed in the chart
20:39:08 Write to Excel2007 format
20:39:08 File written to 34chartupdate.xlsx
20:39:08 Peak memory usage: 6 MB
20:39:08 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples