07:49:29 Load from Excel2007 file<br />07:49:29 Update cell data values that are displayed in the chart<br />07:49:29 Write to Excel2007 format<br />07:49:29 File written to 34chartupdate.xlsx<br />07:49:29 Peak memory usage: 2 MB<br />07:49:29 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />