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