03:51:14 Load from Excel2007 file<br />03:51:14 Update cell data values that are displayed in the chart<br />03:51:14 Write to Excel2007 format<br />03:51:14 File written to 34chartupdate.xlsx<br />03:51:14 Peak memory usage: 4 MB<br />03:51:14 Done writing file<br />File has been created in E:\item\doctor\vendor\phpoffice\phpexcel\Examples<br />