22:22:35 Load from Excel2007 file<br />22:22:35 Update cell data values that are displayed in the chart<br />22:22:35 Write to Excel2007 format<br />22:22:35 File written to 34chartupdate.xlsx<br />22:22:35 Peak memory usage: 6 MB<br />22:22:35 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />