23:39:25 Load from Excel2007 file
23:39:25 Update cell data values that are displayed in the chart
23:39:25 Write to Excel2007 format
23:39:25 File written to 34chartupdate.xlsx
23:39:25 Peak memory usage: 6 MB
23:39:25 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples