04:07:33 Load from Excel2007 file<br />04:07:33 Update cell data values that are displayed in the chart<br />04:07:33 Write to Excel2007 format<br />04:07:33 File written to 34chartupdate.xlsx<br />04:07:33 Peak memory usage: 6 MB<br />04:07:33 Done writing file<br />File has been created in E:\item\doctor\vendor\phpoffice\phpexcel\Examples<br />