21:24:53 Load from Excel2007 file<br />21:24:53 Update cell data values that are displayed in the chart<br />21:24:53 Write to Excel2007 format<br />21:24:53 File written to 34chartupdate.xlsx<br />21:24:53 Peak memory usage: 6 MB<br />21:24:53 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />