21:23:23 Load from Excel2007 file<br />21:23:23 Update cell data values that are displayed in the chart<br />21:23:23 Write to Excel2007 format<br />21:23:23 File written to 34chartupdate.xlsx<br />21:23:23 Peak memory usage: 2 MB<br />21:23:23 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />