21:01:17 Load from Excel2007 file<br />21:01:18 Update cell data values that are displayed in the chart<br />21:01:18 Write to Excel2007 format<br />21:01:18 File written to 34chartupdate.xlsx<br />21:01:18 Peak memory usage: 6 MB<br />21:01:18 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />