23:57:54 Load from Excel2007 file<br />23:57:55 Update cell data values that are displayed in the chart<br />23:57:55 Write to Excel2007 format<br />23:57:55 File written to 34chartupdate.xlsx<br />23:57:55 Peak memory usage: 4.75 MB<br />23:57:55 Done writing file<br />File has been created in C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Examples<br />