21:43:17 Load from Excel2007 file<br />21:43:17 Update cell data values that are displayed in the chart<br />21:43:17 Write to Excel2007 format<br />21:43:17 File written to 34chartupdate.xlsx<br />21:43:17 Peak memory usage: 4.75 MB<br />21:43:17 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />