20:31:33 Load from Excel2007 file<br />20:31:34 Update cell data values that are displayed in the chart<br />20:31:34 Write to Excel2007 format<br />20:31:34 File written to 34chartupdate.xlsx<br />20:31:34 Peak memory usage: 8.75 MB<br />20:31:34 Done writing file<br />File has been created in C:\wamp64\www\old_bo\bo\vendor\phpoffice\phpexcel\Examples<br />